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Finding the Fourth Proportional to 235,386.76, 324,835.82 and 127,956.97

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Solution

The fourth proportional to 235,386.76, 324,835.82 and 127,956.97 is: 176,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,386.76 : 324,835.82 = 127,956.97 : x
  2. Step 2: Convert to fraction form
    235,386.76/324,835.82 = 127,956.97/x
  3. Step 3: Cross multiply
    235,386.76x = 324,835.82 × 127,956.97
  4. Step 4: Simplify right side
    235,386.76x = 41,565,005,693.56
  5. Step 5: Solve for x
    x = 41,565,005,693.56/235,386.76
  6. Step 6: Final answer
    x = 176,581.75

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1.5x scale

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.