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Finding the Fourth Proportional to 132,396.98, 182,707.95 and 71,967.62

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Solution

The fourth proportional to 132,396.98, 182,707.95 and 71,967.62 is: 99,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,396.98 : 182,707.95 = 71,967.62 : x
  2. Step 2: Convert to fraction form
    132,396.98/182,707.95 = 71,967.62/x
  3. Step 3: Cross multiply
    132,396.98x = 182,707.95 × 71,967.62
  4. Step 4: Simplify right side
    132,396.98x = 13,149,056,600.90
  5. Step 5: Solve for x
    x = 13,149,056,600.90/132,396.98
  6. Step 6: Final answer
    x = 99,315.38

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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.