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Finding the Fourth Proportional to 170,458.61, 235,234.46 and 93,980.41

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Solution

The fourth proportional to 170,458.61, 235,234.46 and 93,980.41 is: 129,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,458.61 : 235,234.46 = 93,980.41 : x
  2. Step 2: Convert to fraction form
    170,458.61/235,234.46 = 93,980.41/x
  3. Step 3: Cross multiply
    170,458.61x = 235,234.46 × 93,980.41
  4. Step 4: Simplify right side
    170,458.61x = 22,107,429,350.85
  5. Step 5: Solve for x
    x = 22,107,429,350.85/170,458.61
  6. Step 6: Final answer
    x = 129,693.83

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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.