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Finding the Fourth Proportional to 235,278.60, 324,686.44 and 127,848.64

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Solution

The fourth proportional to 235,278.60, 324,686.44 and 127,848.64 is: 176,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,278.60 : 324,686.44 = 127,848.64 : x
  2. Step 2: Convert to fraction form
    235,278.60/324,686.44 = 127,848.64/x
  3. Step 3: Cross multiply
    235,278.60x = 324,686.44 × 127,848.64
  4. Step 4: Simplify right side
    235,278.60x = 41,510,719,780.44
  5. Step 5: Solve for x
    x = 41,510,719,780.44/235,278.60
  6. Step 6: Final answer
    x = 176,432.19

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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.