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Finding the Fourth Proportional to 172,337.10, 258,700.05 and 133,068.30

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Solution

The fourth proportional to 172,337.10, 258,700.05 and 133,068.30 is: 199,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,337.10 : 258,700.05 = 133,068.30 : x
  2. Step 2: Convert to fraction form
    172,337.10/258,700.05 = 133,068.30/x
  3. Step 3: Cross multiply
    172,337.10x = 258,700.05 × 133,068.30
  4. Step 4: Simplify right side
    172,337.10x = 34,424,775,863.42
  5. Step 5: Solve for x
    x = 34,424,775,863.42/172,337.10
  6. Step 6: Final answer
    x = 199,752.55

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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.