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Finding the Fourth Proportional to 188,708.83, 260,136.43 and 124,935.91

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Solution

The fourth proportional to 188,708.83, 260,136.43 and 124,935.91 is: 172,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,708.83 : 260,136.43 = 124,935.91 : x
  2. Step 2: Convert to fraction form
    188,708.83/260,136.43 = 124,935.91/x
  3. Step 3: Cross multiply
    188,708.83x = 260,136.43 × 124,935.91
  4. Step 4: Simplify right side
    188,708.83x = 32,500,381,606.20
  5. Step 5: Solve for x
    x = 32,500,381,606.20/188,708.83
  6. Step 6: Final answer
    x = 172,225.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.