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Finding the Fourth Proportional to 94,920.62, 130,978.92 and 52,473.26

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Solution

The fourth proportional to 94,920.62, 130,978.92 and 52,473.26 is: 72,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,920.62 : 130,978.92 = 52,473.26 : x
  2. Step 2: Convert to fraction form
    94,920.62/130,978.92 = 52,473.26/x
  3. Step 3: Cross multiply
    94,920.62x = 130,978.92 × 52,473.26
  4. Step 4: Simplify right side
    94,920.62x = 6,872,890,923.68
  5. Step 5: Solve for x
    x = 6,872,890,923.68/94,920.62
  6. Step 6: Final answer
    x = 72,406.72

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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.