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Finding the Fourth Proportional to 96,350.40, 132,962.40 and 53,909.28

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Solution

The fourth proportional to 96,350.40, 132,962.40 and 53,909.28 is: 74,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,350.40 : 132,962.40 = 53,909.28 : x
  2. Step 2: Convert to fraction form
    96,350.40/132,962.40 = 53,909.28/x
  3. Step 3: Cross multiply
    96,350.40x = 132,962.40 × 53,909.28
  4. Step 4: Simplify right side
    96,350.40x = 7,167,907,251.07
  5. Step 5: Solve for x
    x = 7,167,907,251.07/96,350.40
  6. Step 6: Final answer
    x = 74,394.16

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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.