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Finding the Fourth Proportional to 216,346.59, 298,574.46 and 124,494.03

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Solution

The fourth proportional to 216,346.59, 298,574.46 and 124,494.03 is: 171,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,346.59 : 298,574.46 = 124,494.03 : x
  2. Step 2: Convert to fraction form
    216,346.59/298,574.46 = 124,494.03/x
  3. Step 3: Cross multiply
    216,346.59x = 298,574.46 × 124,494.03
  4. Step 4: Simplify right side
    216,346.59x = 37,170,737,780.47
  5. Step 5: Solve for x
    x = 37,170,737,780.47/216,346.59
  6. Step 6: Final answer
    x = 171,811.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.