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Finding the Fourth Proportional to 150,269.56, 207,394.76 and 85,738.48

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Solution

The fourth proportional to 150,269.56, 207,394.76 and 85,738.48 is: 118,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,269.56 : 207,394.76 = 85,738.48 : x
  2. Step 2: Convert to fraction form
    150,269.56/207,394.76 = 85,738.48/x
  3. Step 3: Cross multiply
    150,269.56x = 207,394.76 × 85,738.48
  4. Step 4: Simplify right side
    150,269.56x = 17,781,711,482.36
  5. Step 5: Solve for x
    x = 17,781,711,482.36/150,269.56
  6. Step 6: Final answer
    x = 118,332.09

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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.