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Finding the Fourth Proportional to 69,099.66, 103,144.82 and 59,301.90

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Solution

The fourth proportional to 69,099.66, 103,144.82 and 59,301.90 is: 88,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.66 : 103,144.82 = 59,301.90 : x
  2. Step 2: Convert to fraction form
    69,099.66/103,144.82 = 59,301.90/x
  3. Step 3: Cross multiply
    69,099.66x = 103,144.82 × 59,301.90
  4. Step 4: Simplify right side
    69,099.66x = 6,116,683,801.16
  5. Step 5: Solve for x
    x = 6,116,683,801.16/69,099.66
  6. Step 6: Final answer
    x = 88,519.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.