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Finding the Fourth Proportional to 124,498.40, 186,723.30 and 41,392.40

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Solution

The fourth proportional to 124,498.40, 186,723.30 and 41,392.40 is: 62,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,498.40 : 186,723.30 = 41,392.40 : x
  2. Step 2: Convert to fraction form
    124,498.40/186,723.30 = 41,392.40/x
  3. Step 3: Cross multiply
    124,498.40x = 186,723.30 × 41,392.40
  4. Step 4: Simplify right side
    124,498.40x = 7,728,925,522.92
  5. Step 5: Solve for x
    x = 7,728,925,522.92/124,498.40
  6. Step 6: Final answer
    x = 62,080.52

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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.