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Finding the Fourth Proportional to 235,278.52, 324,686.41 and 127,848.56

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Solution

The fourth proportional to 235,278.52, 324,686.41 and 127,848.56 is: 176,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,278.52 : 324,686.41 = 127,848.56 : x
  2. Step 2: Convert to fraction form
    235,278.52/324,686.41 = 127,848.56/x
  3. Step 3: Cross multiply
    235,278.52x = 324,686.41 × 127,848.56
  4. Step 4: Simplify right side
    235,278.52x = 41,510,688,027.02
  5. Step 5: Solve for x
    x = 41,510,688,027.02/235,278.52
  6. Step 6: Final answer
    x = 176,432.12

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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.