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Finding the Fourth Proportional to 181,701.88, 250,746.08 and 101,129.38

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Solution

The fourth proportional to 181,701.88, 250,746.08 and 101,129.38 is: 139,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,701.88 : 250,746.08 = 101,129.38 : x
  2. Step 2: Convert to fraction form
    181,701.88/250,746.08 = 101,129.38/x
  3. Step 3: Cross multiply
    181,701.88x = 250,746.08 × 101,129.38
  4. Step 4: Simplify right side
    181,701.88x = 25,357,795,607.83
  5. Step 5: Solve for x
    x = 25,357,795,607.83/181,701.88
  6. Step 6: Final answer
    x = 139,557.14

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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.