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Finding the Fourth Proportional to 147,552.40, 221,299.80 and 49,056.40

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Solution

The fourth proportional to 147,552.40, 221,299.80 and 49,056.40 is: 73,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,552.40 : 221,299.80 = 49,056.40 : x
  2. Step 2: Convert to fraction form
    147,552.40/221,299.80 = 49,056.40/x
  3. Step 3: Cross multiply
    147,552.40x = 221,299.80 × 49,056.40
  4. Step 4: Simplify right side
    147,552.40x = 10,856,171,508.72
  5. Step 5: Solve for x
    x = 10,856,171,508.72/147,552.40
  6. Step 6: Final answer
    x = 73,575.02

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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.