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Finding the Fourth Proportional to 181,543.86, 250,535.34 and 99,874.26

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Solution

The fourth proportional to 181,543.86, 250,535.34 and 99,874.26 is: 137,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,543.86 : 250,535.34 = 99,874.26 : x
  2. Step 2: Convert to fraction form
    181,543.86/250,535.34 = 99,874.26/x
  3. Step 3: Cross multiply
    181,543.86x = 250,535.34 × 99,874.26
  4. Step 4: Simplify right side
    181,543.86x = 25,022,031,686.35
  5. Step 5: Solve for x
    x = 25,022,031,686.35/181,543.86
  6. Step 6: Final answer
    x = 137,829.13

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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.