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Finding the Fourth Proportional to 172,032.90, 258,049.35 and 132,666.90

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Solution

The fourth proportional to 172,032.90, 258,049.35 and 132,666.90 is: 199,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,032.90 : 258,049.35 = 132,666.90 : x
  2. Step 2: Convert to fraction form
    172,032.90/258,049.35 = 132,666.90/x
  3. Step 3: Cross multiply
    172,032.90x = 258,049.35 × 132,666.90
  4. Step 4: Simplify right side
    172,032.90x = 34,234,607,311.52
  5. Step 5: Solve for x
    x = 34,234,607,311.52/172,032.90
  6. Step 6: Final answer
    x = 199,000.35

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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.