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Finding the Fourth Proportional to 144,859.59, 217,351.35 and 60,639.44

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Solution

The fourth proportional to 144,859.59, 217,351.35 and 60,639.44 is: 90,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,859.59 : 217,351.35 = 60,639.44 : x
  2. Step 2: Convert to fraction form
    144,859.59/217,351.35 = 60,639.44/x
  3. Step 3: Cross multiply
    144,859.59x = 217,351.35 × 60,639.44
  4. Step 4: Simplify right side
    144,859.59x = 13,180,063,060.49
  5. Step 5: Solve for x
    x = 13,180,063,060.49/144,859.59
  6. Step 6: Final answer
    x = 90,985.09

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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.