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Finding the Fourth Proportional to 176,797.32, 265,196.70 and 71,618.28

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Solution

The fourth proportional to 176,797.32, 265,196.70 and 71,618.28 is: 107,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,797.32 : 265,196.70 = 71,618.28 : x
  2. Step 2: Convert to fraction form
    176,797.32/265,196.70 = 71,618.28/x
  3. Step 3: Cross multiply
    176,797.32x = 265,196.70 × 71,618.28
  4. Step 4: Simplify right side
    176,797.32x = 18,992,931,515.68
  5. Step 5: Solve for x
    x = 18,992,931,515.68/176,797.32
  6. Step 6: Final answer
    x = 107,427.71

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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.