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Finding the Fourth Proportional to 124,671.72, 186,964.02 and 35,901.48

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Solution

The fourth proportional to 124,671.72, 186,964.02 and 35,901.48 is: 53,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671.72 : 186,964.02 = 35,901.48 : x
  2. Step 2: Convert to fraction form
    124,671.72/186,964.02 = 35,901.48/x
  3. Step 3: Cross multiply
    124,671.72x = 186,964.02 × 35,901.48
  4. Step 4: Simplify right side
    124,671.72x = 6,712,285,024.75
  5. Step 5: Solve for x
    x = 6,712,285,024.75/124,671.72
  6. Step 6: Final answer
    x = 53,839.68

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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.