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Finding the Fourth Proportional to 169,528, 254,337.36 and 58,720

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Solution

The fourth proportional to 169,528, 254,337.36 and 58,720 is: 88,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,528 : 254,337.36 = 58,720 : x
  2. Step 2: Convert to fraction form
    169,528/254,337.36 = 58,720/x
  3. Step 3: Cross multiply
    169,528x = 254,337.36 × 58,720
  4. Step 4: Simplify right side
    169,528x = 14,934,689,779.20
  5. Step 5: Solve for x
    x = 14,934,689,779.20/169,528
  6. Step 6: Final answer
    x = 88,095.71

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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.