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Finding the Fourth Proportional to 129,924.88, 179,296.33 and 70,308.88

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Solution

The fourth proportional to 129,924.88, 179,296.33 and 70,308.88 is: 97,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,924.88 : 179,296.33 = 70,308.88 : x
  2. Step 2: Convert to fraction form
    129,924.88/179,296.33 = 70,308.88/x
  3. Step 3: Cross multiply
    129,924.88x = 179,296.33 × 70,308.88
  4. Step 4: Simplify right side
    129,924.88x = 12,606,123,253.93
  5. Step 5: Solve for x
    x = 12,606,123,253.93/129,924.88
  6. Step 6: Final answer
    x = 97,026.25

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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.