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Finding the Fourth Proportional to 92,285.92, 127,355.76 and 54,559.84

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Solution

The fourth proportional to 92,285.92, 127,355.76 and 54,559.84 is: 75,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,285.92 : 127,355.76 = 54,559.84 : x
  2. Step 2: Convert to fraction form
    92,285.92/127,355.76 = 54,559.84/x
  3. Step 3: Cross multiply
    92,285.92x = 127,355.76 × 54,559.84
  4. Step 4: Simplify right side
    92,285.92x = 6,948,509,888.68
  5. Step 5: Solve for x
    x = 6,948,509,888.68/92,285.92
  6. Step 6: Final answer
    x = 75,293.28

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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.