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Finding the Fourth Proportional to 181,411.86, 250,368.72 and 100,847.07

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Solution

The fourth proportional to 181,411.86, 250,368.72 and 100,847.07 is: 139,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,411.86 : 250,368.72 = 100,847.07 : x
  2. Step 2: Convert to fraction form
    181,411.86/250,368.72 = 100,847.07/x
  3. Step 3: Cross multiply
    181,411.86x = 250,368.72 × 100,847.07
  4. Step 4: Simplify right side
    181,411.86x = 25,248,951,831.65
  5. Step 5: Solve for x
    x = 25,248,951,831.65/181,411.86
  6. Step 6: Final answer
    x = 139,180.27

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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.