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Finding the Fourth Proportional to 67,754.79, 93,578.36 and 46,207.71

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Solution

The fourth proportional to 67,754.79, 93,578.36 and 46,207.71 is: 63,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,754.79 : 93,578.36 = 46,207.71 : x
  2. Step 2: Convert to fraction form
    67,754.79/93,578.36 = 46,207.71/x
  3. Step 3: Cross multiply
    67,754.79x = 93,578.36 × 46,207.71
  4. Step 4: Simplify right side
    67,754.79x = 4,324,041,490.12
  5. Step 5: Solve for x
    x = 4,324,041,490.12/67,754.79
  6. Step 6: Final answer
    x = 63,818.98

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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.