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Finding the Fourth Proportional to 147,676,856.60, 221,515,284.90 and 147,676,856.60

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Solution

The fourth proportional to 147,676,856.60, 221,515,284.90 and 147,676,856.60 is: 221,515,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,676,856.60 : 221,515,284.90 = 147,676,856.60 : x
  2. Step 2: Convert to fraction form
    147,676,856.60/221,515,284.90 = 147,676,856.60/x
  3. Step 3: Cross multiply
    147,676,856.60x = 221,515,284.90 × 147,676,856.60
  4. Step 4: Simplify right side
    147,676,856.60x = 32,712,680,962,885,444
  5. Step 5: Solve for x
    x = 32,712,680,962,885,444/147,676,856.60
  6. Step 6: Final answer
    x = 221,515,284.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.