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Finding the Fourth Proportional to 170,198.67, 234,875.91 and 93,724.88

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Solution

The fourth proportional to 170,198.67, 234,875.91 and 93,724.88 is: 129,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,198.67 : 234,875.91 = 93,724.88 : x
  2. Step 2: Convert to fraction form
    170,198.67/234,875.91 = 93,724.88/x
  3. Step 3: Cross multiply
    170,198.67x = 234,875.91 × 93,724.88
  4. Step 4: Simplify right side
    170,198.67x = 22,013,716,479.64
  5. Step 5: Solve for x
    x = 22,013,716,479.64/170,198.67
  6. Step 6: Final answer
    x = 129,341.30

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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.