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Finding the Fourth Proportional to 92,314.50, 127,436.49 and 54,068.73

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Solution

The fourth proportional to 92,314.50, 127,436.49 and 54,068.73 is: 74,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,314.50 : 127,436.49 = 54,068.73 : x
  2. Step 2: Convert to fraction form
    92,314.50/127,436.49 = 54,068.73/x
  3. Step 3: Cross multiply
    92,314.50x = 127,436.49 × 54,068.73
  4. Step 4: Simplify right side
    92,314.50x = 6,890,329,169.96
  5. Step 5: Solve for x
    x = 6,890,329,169.96/92,314.50
  6. Step 6: Final answer
    x = 74,639.73

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1.5x scale

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.