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Finding the Fourth Proportional to 73,412.40, 110,118.60 and 60,957.30

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Solution

The fourth proportional to 73,412.40, 110,118.60 and 60,957.30 is: 91,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,412.40 : 110,118.60 = 60,957.30 : x
  2. Step 2: Convert to fraction form
    73,412.40/110,118.60 = 60,957.30/x
  3. Step 3: Cross multiply
    73,412.40x = 110,118.60 × 60,957.30
  4. Step 4: Simplify right side
    73,412.40x = 6,712,532,535.78
  5. Step 5: Solve for x
    x = 6,712,532,535.78/73,412.40
  6. Step 6: Final answer
    x = 91,435.95

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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.