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Finding the Fourth Proportional to 181,259.71, 250,098.13 and 109,638.19

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Solution

The fourth proportional to 181,259.71, 250,098.13 and 109,638.19 is: 151,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,259.71 : 250,098.13 = 109,638.19 : x
  2. Step 2: Convert to fraction form
    181,259.71/250,098.13 = 109,638.19/x
  3. Step 3: Cross multiply
    181,259.71x = 250,098.13 × 109,638.19
  4. Step 4: Simplify right side
    181,259.71x = 27,420,306,745.26
  5. Step 5: Solve for x
    x = 27,420,306,745.26/181,259.71
  6. Step 6: Final answer
    x = 151,276.35

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Double scale
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1.5x scale

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.