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Finding the Fourth Proportional to 242,567.52, 363,921.48 and 100,386.55

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Solution

The fourth proportional to 242,567.52, 363,921.48 and 100,386.55 is: 150,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,567.52 : 363,921.48 = 100,386.55 : x
  2. Step 2: Convert to fraction form
    242,567.52/363,921.48 = 100,386.55/x
  3. Step 3: Cross multiply
    242,567.52x = 363,921.48 × 100,386.55
  4. Step 4: Simplify right side
    242,567.52x = 36,532,821,848.09
  5. Step 5: Solve for x
    x = 36,532,821,848.09/242,567.52
  6. Step 6: Final answer
    x = 150,608.88

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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.