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Finding the Fourth Proportional to 124,502.62, 186,728.31 and 35,736.34

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Solution

The fourth proportional to 124,502.62, 186,728.31 and 35,736.34 is: 53,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502.62 : 186,728.31 = 35,736.34 : x
  2. Step 2: Convert to fraction form
    124,502.62/186,728.31 = 35,736.34/x
  3. Step 3: Cross multiply
    124,502.62x = 186,728.31 × 35,736.34
  4. Step 4: Simplify right side
    124,502.62x = 6,672,986,373.79
  5. Step 5: Solve for x
    x = 6,672,986,373.79/124,502.62
  6. Step 6: Final answer
    x = 53,597.16

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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.