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Finding the Fourth Proportional to 129,924.92, 179,296.98 and 70,308.92

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Solution

The fourth proportional to 129,924.92, 179,296.98 and 70,308.92 is: 97,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,924.92 : 179,296.98 = 70,308.92 : x
  2. Step 2: Convert to fraction form
    129,924.92/179,296.98 = 70,308.92/x
  3. Step 3: Cross multiply
    129,924.92x = 179,296.98 × 70,308.92
  4. Step 4: Simplify right side
    129,924.92x = 12,606,177,023.06
  5. Step 5: Solve for x
    x = 12,606,177,023.06/129,924.92
  6. Step 6: Final answer
    x = 97,026.63

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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.