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Finding the Fourth Proportional to 101,167.70, 151,751.55 and 92,638.40

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Solution

The fourth proportional to 101,167.70, 151,751.55 and 92,638.40 is: 138,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.70 : 151,751.55 = 92,638.40 : x
  2. Step 2: Convert to fraction form
    101,167.70/151,751.55 = 92,638.40/x
  3. Step 3: Cross multiply
    101,167.70x = 151,751.55 × 92,638.40
  4. Step 4: Simplify right side
    101,167.70x = 14,058,020,789.52
  5. Step 5: Solve for x
    x = 14,058,020,789.52/101,167.70
  6. Step 6: Final answer
    x = 138,957.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.