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Finding the Fourth Proportional to 67,959.99, 93,830.18 and 42,502.41

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Solution

The fourth proportional to 67,959.99, 93,830.18 and 42,502.41 is: 58,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,959.99 : 93,830.18 = 42,502.41 : x
  2. Step 2: Convert to fraction form
    67,959.99/93,830.18 = 42,502.41/x
  3. Step 3: Cross multiply
    67,959.99x = 93,830.18 × 42,502.41
  4. Step 4: Simplify right side
    67,959.99x = 3,988,008,568.22
  5. Step 5: Solve for x
    x = 3,988,008,568.22/67,959.99
  6. Step 6: Final answer
    x = 58,681.71

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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.