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Finding the Fourth Proportional to 318,785.59, 478,066.74 and 94,086.52

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Solution

The fourth proportional to 318,785.59, 478,066.74 and 94,086.52 is: 141,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,785.59 : 478,066.74 = 94,086.52 : x
  2. Step 2: Convert to fraction form
    318,785.59/478,066.74 = 94,086.52/x
  3. Step 3: Cross multiply
    318,785.59x = 478,066.74 × 94,086.52
  4. Step 4: Simplify right side
    318,785.59x = 44,979,635,894.34
  5. Step 5: Solve for x
    x = 44,979,635,894.34/318,785.59
  6. Step 6: Final answer
    x = 141,096.83

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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.