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Finding the Fourth Proportional to 172,314.30, 258,471.45 and 93,582.30

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Solution

The fourth proportional to 172,314.30, 258,471.45 and 93,582.30 is: 140,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,314.30 : 258,471.45 = 93,582.30 : x
  2. Step 2: Convert to fraction form
    172,314.30/258,471.45 = 93,582.30/x
  3. Step 3: Cross multiply
    172,314.30x = 258,471.45 × 93,582.30
  4. Step 4: Simplify right side
    172,314.30x = 24,188,352,775.34
  5. Step 5: Solve for x
    x = 24,188,352,775.34/172,314.30
  6. Step 6: Final answer
    x = 140,373.45

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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.