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Finding the Fourth Proportional to 67,965.11, 93,754.04 and 63,154.11

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Solution

The fourth proportional to 67,965.11, 93,754.04 and 63,154.11 is: 87,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.11 : 93,754.04 = 63,154.11 : x
  2. Step 2: Convert to fraction form
    67,965.11/93,754.04 = 63,154.11/x
  3. Step 3: Cross multiply
    67,965.11x = 93,754.04 × 63,154.11
  4. Step 4: Simplify right side
    67,965.11x = 5,920,952,955.10
  5. Step 5: Solve for x
    x = 5,920,952,955.10/67,965.11
  6. Step 6: Final answer
    x = 87,117.54

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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.