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Finding the Fourth Proportional to 124,169.70, 186,283.47 and 35,424.42

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Solution

The fourth proportional to 124,169.70, 186,283.47 and 35,424.42 is: 53,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169.70 : 186,283.47 = 35,424.42 : x
  2. Step 2: Convert to fraction form
    124,169.70/186,283.47 = 35,424.42/x
  3. Step 3: Cross multiply
    124,169.70x = 186,283.47 × 35,424.42
  4. Step 4: Simplify right side
    124,169.70x = 6,598,983,880.34
  5. Step 5: Solve for x
    x = 6,598,983,880.34/124,169.70
  6. Step 6: Final answer
    x = 53,144.88

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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.