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Finding the Fourth Proportional to 487,051.89, 730,575.99 and 132,064.92

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Solution

The fourth proportional to 487,051.89, 730,575.99 and 132,064.92 is: 198,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,051.89 : 730,575.99 = 132,064.92 : x
  2. Step 2: Convert to fraction form
    487,051.89/730,575.99 = 132,064.92/x
  3. Step 3: Cross multiply
    487,051.89x = 730,575.99 × 132,064.92
  4. Step 4: Simplify right side
    487,051.89x = 96,483,459,673.27
  5. Step 5: Solve for x
    x = 96,483,459,673.27/487,051.89
  6. Step 6: Final answer
    x = 198,096.88

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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.