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Finding the Fourth Proportional to 319,333.52, 479,070.60 and 94,711.52

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Solution

The fourth proportional to 319,333.52, 479,070.60 and 94,711.52 is: 142,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,333.52 : 479,070.60 = 94,711.52 : x
  2. Step 2: Convert to fraction form
    319,333.52/479,070.60 = 94,711.52/x
  3. Step 3: Cross multiply
    319,333.52x = 479,070.60 × 94,711.52
  4. Step 4: Simplify right side
    319,333.52x = 45,373,504,713.31
  5. Step 5: Solve for x
    x = 45,373,504,713.31/319,333.52
  6. Step 6: Final answer
    x = 142,088.14

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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.