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Finding the Fourth Proportional to 181,444.86, 250,393.68 and 100,869.84

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Solution

The fourth proportional to 181,444.86, 250,393.68 and 100,869.84 is: 139,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,444.86 : 250,393.68 = 100,869.84 : x
  2. Step 2: Convert to fraction form
    181,444.86/250,393.68 = 100,869.84/x
  3. Step 3: Cross multiply
    181,444.86x = 250,393.68 × 100,869.84
  4. Step 4: Simplify right side
    181,444.86x = 25,257,170,438.61
  5. Step 5: Solve for x
    x = 25,257,170,438.61/181,444.86
  6. Step 6: Final answer
    x = 139,200.25

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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.