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Finding the Fourth Proportional to 84,473.84, 116,382.72 and 69,342.53

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Solution

The fourth proportional to 84,473.84, 116,382.72 and 69,342.53 is: 95,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,473.84 : 116,382.72 = 69,342.53 : x
  2. Step 2: Convert to fraction form
    84,473.84/116,382.72 = 69,342.53/x
  3. Step 3: Cross multiply
    84,473.84x = 116,382.72 × 69,342.53
  4. Step 4: Simplify right side
    84,473.84x = 8,070,272,585.86
  5. Step 5: Solve for x
    x = 8,070,272,585.86/84,473.84
  6. Step 6: Final answer
    x = 95,535.76

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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.