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Finding the Fourth Proportional to 124,336.84, 186,560.39 and 65,158.44

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Solution

The fourth proportional to 124,336.84, 186,560.39 and 65,158.44 is: 97,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,336.84 : 186,560.39 = 65,158.44 : x
  2. Step 2: Convert to fraction form
    124,336.84/186,560.39 = 65,158.44/x
  3. Step 3: Cross multiply
    124,336.84x = 186,560.39 × 65,158.44
  4. Step 4: Simplify right side
    124,336.84x = 12,155,983,652.40
  5. Step 5: Solve for x
    x = 12,155,983,652.40/124,336.84
  6. Step 6: Final answer
    x = 97,766.55

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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.