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Finding the Fourth Proportional to 240,158.32, 360,258 and 71,667.79

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Solution

The fourth proportional to 240,158.32, 360,258 and 71,667.79 is: 107,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,158.32 : 360,258 = 71,667.79 : x
  2. Step 2: Convert to fraction form
    240,158.32/360,258 = 71,667.79/x
  3. Step 3: Cross multiply
    240,158.32x = 360,258 × 71,667.79
  4. Step 4: Simplify right side
    240,158.32x = 25,818,894,689.82
  5. Step 5: Solve for x
    x = 25,818,894,689.82/240,158.32
  6. Step 6: Final answer
    x = 107,507.81

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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.