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Finding the Fourth Proportional to 92,502.94, 127,640.36 and 54,248.06

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Solution

The fourth proportional to 92,502.94, 127,640.36 and 54,248.06 is: 74,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,502.94 : 127,640.36 = 54,248.06 : x
  2. Step 2: Convert to fraction form
    92,502.94/127,640.36 = 54,248.06/x
  3. Step 3: Cross multiply
    92,502.94x = 127,640.36 × 54,248.06
  4. Step 4: Simplify right side
    92,502.94x = 6,924,241,907.70
  5. Step 5: Solve for x
    x = 6,924,241,907.70/92,502.94
  6. Step 6: Final answer
    x = 74,854.29

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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.