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Finding the Fourth Proportional to 172,503.96, 258,757.08 and 60,183.72

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Solution

The fourth proportional to 172,503.96, 258,757.08 and 60,183.72 is: 90,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,503.96 : 258,757.08 = 60,183.72 : x
  2. Step 2: Convert to fraction form
    172,503.96/258,757.08 = 60,183.72/x
  3. Step 3: Cross multiply
    172,503.96x = 258,757.08 × 60,183.72
  4. Step 4: Simplify right side
    172,503.96x = 15,572,963,650.74
  5. Step 5: Solve for x
    x = 15,572,963,650.74/172,503.96
  6. Step 6: Final answer
    x = 90,275.98

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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.