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Finding the Fourth Proportional to 124,496.34, 186,744.39 and 45,616.71

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Solution

The fourth proportional to 124,496.34, 186,744.39 and 45,616.71 is: 68,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,496.34 : 186,744.39 = 45,616.71 : x
  2. Step 2: Convert to fraction form
    124,496.34/186,744.39 = 45,616.71/x
  3. Step 3: Cross multiply
    124,496.34x = 186,744.39 × 45,616.71
  4. Step 4: Simplify right side
    124,496.34x = 8,518,664,682.76
  5. Step 5: Solve for x
    x = 8,518,664,682.76/124,496.34
  6. Step 6: Final answer
    x = 68,425.02

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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.