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Finding the Fourth Proportional to 70,907.97, 97,739.96 and 69,508.29

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Solution

The fourth proportional to 70,907.97, 97,739.96 and 69,508.29 is: 95,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.97 : 97,739.96 = 69,508.29 : x
  2. Step 2: Convert to fraction form
    70,907.97/97,739.96 = 69,508.29/x
  3. Step 3: Cross multiply
    70,907.97x = 97,739.96 × 69,508.29
  4. Step 4: Simplify right side
    70,907.97x = 6,793,737,136.73
  5. Step 5: Solve for x
    x = 6,793,737,136.73/70,907.97
  6. Step 6: Final answer
    x = 95,810.63

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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.