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Finding the Fourth Proportional to 67,750.62, 93,541.50 and 42,295.74

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Solution

The fourth proportional to 67,750.62, 93,541.50 and 42,295.74 is: 58,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,750.62 : 93,541.50 = 42,295.74 : x
  2. Step 2: Convert to fraction form
    67,750.62/93,541.50 = 42,295.74/x
  3. Step 3: Cross multiply
    67,750.62x = 93,541.50 × 42,295.74
  4. Step 4: Simplify right side
    67,750.62x = 3,956,406,963.21
  5. Step 5: Solve for x
    x = 3,956,406,963.21/67,750.62
  6. Step 6: Final answer
    x = 58,396.62

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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.