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Finding the Fourth Proportional to 69,133.52, 95,575.55 and 68,502.94

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Solution

The fourth proportional to 69,133.52, 95,575.55 and 68,502.94 is: 94,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133.52 : 95,575.55 = 68,502.94 : x
  2. Step 2: Convert to fraction form
    69,133.52/95,575.55 = 68,502.94/x
  3. Step 3: Cross multiply
    69,133.52x = 95,575.55 × 68,502.94
  4. Step 4: Simplify right side
    69,133.52x = 6,547,205,585.66
  5. Step 5: Solve for x
    x = 6,547,205,585.66/69,133.52
  6. Step 6: Final answer
    x = 94,703.78

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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.