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Finding the Fourth Proportional to 82,730.70, 124,158.62 and 60,601.60

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Solution

The fourth proportional to 82,730.70, 124,158.62 and 60,601.60 is: 90,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,730.70 : 124,158.62 = 60,601.60 : x
  2. Step 2: Convert to fraction form
    82,730.70/124,158.62 = 60,601.60/x
  3. Step 3: Cross multiply
    82,730.70x = 124,158.62 × 60,601.60
  4. Step 4: Simplify right side
    82,730.70x = 7,524,211,332.49
  5. Step 5: Solve for x
    x = 7,524,211,332.49/82,730.70
  6. Step 6: Final answer
    x = 90,948.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.