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Finding the Fourth Proportional to 172,307.16, 258,755.98 and 93,575.16

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Solution

The fourth proportional to 172,307.16, 258,755.98 and 93,575.16 is: 140,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,307.16 : 258,755.98 = 93,575.16 : x
  2. Step 2: Convert to fraction form
    172,307.16/258,755.98 = 93,575.16/x
  3. Step 3: Cross multiply
    172,307.16x = 258,755.98 × 93,575.16
  4. Step 4: Simplify right side
    172,307.16x = 24,213,132,229.46
  5. Step 5: Solve for x
    x = 24,213,132,229.46/172,307.16
  6. Step 6: Final answer
    x = 140,523.08

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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.