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Finding the Fourth Proportional to 67,397.88, 93,052.32 and 60,312

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Solution

The fourth proportional to 67,397.88, 93,052.32 and 60,312 is: 83,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.88 : 93,052.32 = 60,312 : x
  2. Step 2: Convert to fraction form
    67,397.88/93,052.32 = 60,312/x
  3. Step 3: Cross multiply
    67,397.88x = 93,052.32 × 60,312
  4. Step 4: Simplify right side
    67,397.88x = 5,612,171,523.84
  5. Step 5: Solve for x
    x = 5,612,171,523.84/67,397.88
  6. Step 6: Final answer
    x = 83,269.26

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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.