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Finding the Fourth Proportional to 147,895,992.80, 221,340,104.40 and 147,895,992.80

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Solution

The fourth proportional to 147,895,992.80, 221,340,104.40 and 147,895,992.80 is: 221,340,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,895,992.80 : 221,340,104.40 = 147,895,992.80 : x
  2. Step 2: Convert to fraction form
    147,895,992.80/221,340,104.40 = 147,895,992.80/x
  3. Step 3: Cross multiply
    147,895,992.80x = 221,340,104.40 × 147,895,992.80
  4. Step 4: Simplify right side
    147,895,992.80x = 32,735,314,486,693,652
  5. Step 5: Solve for x
    x = 32,735,314,486,693,652/147,895,992.80
  6. Step 6: Final answer
    x = 221,340,104.40

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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.