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Finding the Fourth Proportional to 67,374.40, 101,061.60 and 41,130.40

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Solution

The fourth proportional to 67,374.40, 101,061.60 and 41,130.40 is: 61,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,374.40 : 101,061.60 = 41,130.40 : x
  2. Step 2: Convert to fraction form
    67,374.40/101,061.60 = 41,130.40/x
  3. Step 3: Cross multiply
    67,374.40x = 101,061.60 × 41,130.40
  4. Step 4: Simplify right side
    67,374.40x = 4,156,704,032.64
  5. Step 5: Solve for x
    x = 4,156,704,032.64/67,374.40
  6. Step 6: Final answer
    x = 61,695.60

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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.