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Finding the Fourth Proportional to 110,219.87, 152,042.24 and 71,925.23

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Solution

The fourth proportional to 110,219.87, 152,042.24 and 71,925.23 is: 99,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,219.87 : 152,042.24 = 71,925.23 : x
  2. Step 2: Convert to fraction form
    110,219.87/152,042.24 = 71,925.23/x
  3. Step 3: Cross multiply
    110,219.87x = 152,042.24 × 71,925.23
  4. Step 4: Simplify right side
    110,219.87x = 10,935,672,722.09
  5. Step 5: Solve for x
    x = 10,935,672,722.09/110,219.87
  6. Step 6: Final answer
    x = 99,216.89

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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.