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Finding the Fourth Proportional to 242,494.32, 363,813.48 and 124,248.72

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Solution

The fourth proportional to 242,494.32, 363,813.48 and 124,248.72 is: 186,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,494.32 : 363,813.48 = 124,248.72 : x
  2. Step 2: Convert to fraction form
    242,494.32/363,813.48 = 124,248.72/x
  3. Step 3: Cross multiply
    242,494.32x = 363,813.48 × 124,248.72
  4. Step 4: Simplify right side
    242,494.32x = 45,203,359,208.75
  5. Step 5: Solve for x
    x = 45,203,359,208.75/242,494.32
  6. Step 6: Final answer
    x = 186,409.97

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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.