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Finding the Fourth Proportional to 181,866.53, 250,983.60 and 101,294.08

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Solution

The fourth proportional to 181,866.53, 250,983.60 and 101,294.08 is: 139,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,866.53 : 250,983.60 = 101,294.08 : x
  2. Step 2: Convert to fraction form
    181,866.53/250,983.60 = 101,294.08/x
  3. Step 3: Cross multiply
    181,866.53x = 250,983.60 × 101,294.08
  4. Step 4: Simplify right side
    181,866.53x = 25,423,151,602.17
  5. Step 5: Solve for x
    x = 25,423,151,602.17/181,866.53
  6. Step 6: Final answer
    x = 139,790.16

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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.