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Finding the Fourth Proportional to 116,472.70, 174,750.05 and 57,349.90

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Solution

The fourth proportional to 116,472.70, 174,750.05 and 57,349.90 is: 86,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,472.70 : 174,750.05 = 57,349.90 : x
  2. Step 2: Convert to fraction form
    116,472.70/174,750.05 = 57,349.90/x
  3. Step 3: Cross multiply
    116,472.70x = 174,750.05 × 57,349.90
  4. Step 4: Simplify right side
    116,472.70x = 10,021,897,892.50
  5. Step 5: Solve for x
    x = 10,021,897,892.50/116,472.70
  6. Step 6: Final answer
    x = 86,045.04

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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.