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Finding the Fourth Proportional to 92,474.57, 127,498.71 and 75,461.54

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Solution

The fourth proportional to 92,474.57, 127,498.71 and 75,461.54 is: 104,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,474.57 : 127,498.71 = 75,461.54 : x
  2. Step 2: Convert to fraction form
    92,474.57/127,498.71 = 75,461.54/x
  3. Step 3: Cross multiply
    92,474.57x = 127,498.71 × 75,461.54
  4. Step 4: Simplify right side
    92,474.57x = 9,621,248,367.12
  5. Step 5: Solve for x
    x = 9,621,248,367.12/92,474.57
  6. Step 6: Final answer
    x = 104,042.10

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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.