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Finding the Fourth Proportional to 70,252.50, 96,959.90 and 52,222.97

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Solution

The fourth proportional to 70,252.50, 96,959.90 and 52,222.97 is: 72,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,252.50 : 96,959.90 = 52,222.97 : x
  2. Step 2: Convert to fraction form
    70,252.50/96,959.90 = 52,222.97/x
  3. Step 3: Cross multiply
    70,252.50x = 96,959.90 × 52,222.97
  4. Step 4: Simplify right side
    70,252.50x = 5,063,533,948.90
  5. Step 5: Solve for x
    x = 5,063,533,948.90/70,252.50
  6. Step 6: Final answer
    x = 72,076.21

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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.