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Finding the Fourth Proportional to 124,336.59, 186,560.01 and 65,158.19

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Solution

The fourth proportional to 124,336.59, 186,560.01 and 65,158.19 is: 97,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,336.59 : 186,560.01 = 65,158.19 : x
  2. Step 2: Convert to fraction form
    124,336.59/186,560.01 = 65,158.19/x
  3. Step 3: Cross multiply
    124,336.59x = 186,560.01 × 65,158.19
  4. Step 4: Simplify right side
    124,336.59x = 12,155,911,319.39
  5. Step 5: Solve for x
    x = 12,155,911,319.39/124,336.59
  6. Step 6: Final answer
    x = 97,766.17

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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.