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Finding the Fourth Proportional to 170,598.15, 255,963.20 and 70,732.71

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Solution

The fourth proportional to 170,598.15, 255,963.20 and 70,732.71 is: 106,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,598.15 : 255,963.20 = 70,732.71 : x
  2. Step 2: Convert to fraction form
    170,598.15/255,963.20 = 70,732.71/x
  3. Step 3: Cross multiply
    170,598.15x = 255,963.20 × 70,732.71
  4. Step 4: Simplify right side
    170,598.15x = 18,104,970,442.61
  5. Step 5: Solve for x
    x = 18,104,970,442.61/170,598.15
  6. Step 6: Final answer
    x = 106,126.42

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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.