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Finding the Fourth Proportional to 181,598.40, 272,397.60 and 56,939.20

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Solution

The fourth proportional to 181,598.40, 272,397.60 and 56,939.20 is: 85,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,598.40 : 272,397.60 = 56,939.20 : x
  2. Step 2: Convert to fraction form
    181,598.40/272,397.60 = 56,939.20/x
  3. Step 3: Cross multiply
    181,598.40x = 272,397.60 × 56,939.20
  4. Step 4: Simplify right side
    181,598.40x = 15,510,101,425.92
  5. Step 5: Solve for x
    x = 15,510,101,425.92/181,598.40
  6. Step 6: Final answer
    x = 85,408.80

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1.5x scale

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.