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Finding the Fourth Proportional to 319,332.52, 479,069.10 and 94,710.52

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Solution

The fourth proportional to 319,332.52, 479,069.10 and 94,710.52 is: 142,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,332.52 : 479,069.10 = 94,710.52 : x
  2. Step 2: Convert to fraction form
    319,332.52/479,069.10 = 94,710.52/x
  3. Step 3: Cross multiply
    319,332.52x = 479,069.10 × 94,710.52
  4. Step 4: Simplify right side
    319,332.52x = 45,372,883,576.93
  5. Step 5: Solve for x
    x = 45,372,883,576.93/319,332.52
  6. Step 6: Final answer
    x = 142,086.64

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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.