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Finding the Fourth Proportional to 145,254.88, 217,894.88 and 40,073.85

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Solution

The fourth proportional to 145,254.88, 217,894.88 and 40,073.85 is: 60,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,254.88 : 217,894.88 = 40,073.85 : x
  2. Step 2: Convert to fraction form
    145,254.88/217,894.88 = 40,073.85/x
  3. Step 3: Cross multiply
    145,254.88x = 217,894.88 × 40,073.85
  4. Step 4: Simplify right side
    145,254.88x = 8,731,885,447.04
  5. Step 5: Solve for x
    x = 8,731,885,447.04/145,254.88
  6. Step 6: Final answer
    x = 60,114.23

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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.