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Finding the Fourth Proportional to 71,617.68, 107,223.51 and 59,512.63

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Solution

The fourth proportional to 71,617.68, 107,223.51 and 59,512.63 is: 89,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617.68 : 107,223.51 = 59,512.63 : x
  2. Step 2: Convert to fraction form
    71,617.68/107,223.51 = 59,512.63/x
  3. Step 3: Cross multiply
    71,617.68x = 107,223.51 × 59,512.63
  4. Step 4: Simplify right side
    71,617.68x = 6,381,153,077.93
  5. Step 5: Solve for x
    x = 6,381,153,077.93/71,617.68
  6. Step 6: Final answer
    x = 89,100.25

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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.