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Finding the Fourth Proportional to 124,391.80, 186,531.54 and 35,624.98

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Solution

The fourth proportional to 124,391.80, 186,531.54 and 35,624.98 is: 53,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,391.80 : 186,531.54 = 35,624.98 : x
  2. Step 2: Convert to fraction form
    124,391.80/186,531.54 = 35,624.98/x
  3. Step 3: Cross multiply
    124,391.80x = 186,531.54 × 35,624.98
  4. Step 4: Simplify right side
    124,391.80x = 6,645,182,381.87
  5. Step 5: Solve for x
    x = 6,645,182,381.87/124,391.80
  6. Step 6: Final answer
    x = 53,421.39

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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.