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Finding the Fourth Proportional to 170,458.75, 235,234.29 and 93,980.71

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Solution

The fourth proportional to 170,458.75, 235,234.29 and 93,980.71 is: 129,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,458.75 : 235,234.29 = 93,980.71 : x
  2. Step 2: Convert to fraction form
    170,458.75/235,234.29 = 93,980.71/x
  3. Step 3: Cross multiply
    170,458.75x = 235,234.29 × 93,980.71
  4. Step 4: Simplify right side
    170,458.75x = 22,107,485,590.55
  5. Step 5: Solve for x
    x = 22,107,485,590.55/170,458.75
  6. Step 6: Final answer
    x = 129,694.05

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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.