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Finding the Fourth Proportional to 171,498.68, 256,024.53 and 160,101.74

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Solution

The fourth proportional to 171,498.68, 256,024.53 and 160,101.74 is: 239,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,498.68 : 256,024.53 = 160,101.74 : x
  2. Step 2: Convert to fraction form
    171,498.68/256,024.53 = 160,101.74/x
  3. Step 3: Cross multiply
    171,498.68x = 256,024.53 × 160,101.74
  4. Step 4: Simplify right side
    171,498.68x = 40,989,971,815.27
  5. Step 5: Solve for x
    x = 40,989,971,815.27/171,498.68
  6. Step 6: Final answer
    x = 239,010.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.