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Finding the Fourth Proportional to 181,909.32, 272,831.49 and 63,614.58

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Solution

The fourth proportional to 181,909.32, 272,831.49 and 63,614.58 is: 95,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,909.32 : 272,831.49 = 63,614.58 : x
  2. Step 2: Convert to fraction form
    181,909.32/272,831.49 = 63,614.58/x
  3. Step 3: Cross multiply
    181,909.32x = 272,831.49 × 63,614.58
  4. Step 4: Simplify right side
    181,909.32x = 17,356,060,647.12
  5. Step 5: Solve for x
    x = 17,356,060,647.12/181,909.32
  6. Step 6: Final answer
    x = 95,410.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.