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Finding the Fourth Proportional to 71,202.17, 98,236.80 and 47,332.89

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Solution

The fourth proportional to 71,202.17, 98,236.80 and 47,332.89 is: 65,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.17 : 98,236.80 = 47,332.89 : x
  2. Step 2: Convert to fraction form
    71,202.17/98,236.80 = 47,332.89/x
  3. Step 3: Cross multiply
    71,202.17x = 98,236.80 × 47,332.89
  4. Step 4: Simplify right side
    71,202.17x = 4,649,831,648.35
  5. Step 5: Solve for x
    x = 4,649,831,648.35/71,202.17
  6. Step 6: Final answer
    x = 65,304.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.