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Finding the Fourth Proportional to 124,392.92, 186,478.88 and 48,473.89

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Solution

The fourth proportional to 124,392.92, 186,478.88 and 48,473.89 is: 72,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392.92 : 186,478.88 = 48,473.89 : x
  2. Step 2: Convert to fraction form
    124,392.92/186,478.88 = 48,473.89/x
  3. Step 3: Cross multiply
    124,392.92x = 186,478.88 × 48,473.89
  4. Step 4: Simplify right side
    124,392.92x = 9,039,356,371.43
  5. Step 5: Solve for x
    x = 9,039,356,371.43/124,392.92
  6. Step 6: Final answer
    x = 72,667.77

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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.