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Finding the Fourth Proportional to 193,970.68, 267,657.78 and 109,085.92

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Solution

The fourth proportional to 193,970.68, 267,657.78 and 109,085.92 is: 150,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,970.68 : 267,657.78 = 109,085.92 : x
  2. Step 2: Convert to fraction form
    193,970.68/267,657.78 = 109,085.92/x
  3. Step 3: Cross multiply
    193,970.68x = 267,657.78 × 109,085.92
  4. Step 4: Simplify right side
    193,970.68x = 29,197,695,176.46
  5. Step 5: Solve for x
    x = 29,197,695,176.46/193,970.68
  6. Step 6: Final answer
    x = 150,526.33

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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.