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Finding the Fourth Proportional to 124,498, 186,748.62 and 41,392

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Solution

The fourth proportional to 124,498, 186,748.62 and 41,392 is: 62,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,498 : 186,748.62 = 41,392 : x
  2. Step 2: Convert to fraction form
    124,498/186,748.62 = 41,392/x
  3. Step 3: Cross multiply
    124,498x = 186,748.62 × 41,392
  4. Step 4: Simplify right side
    124,498x = 7,729,898,879.04
  5. Step 5: Solve for x
    x = 7,729,898,879.04/124,498
  6. Step 6: Final answer
    x = 62,088.54

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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.