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Finding the Fourth Proportional to 129,967.40, 194,799.90 and 59,853.80

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Solution

The fourth proportional to 129,967.40, 194,799.90 and 59,853.80 is: 89,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,967.40 : 194,799.90 = 59,853.80 : x
  2. Step 2: Convert to fraction form
    129,967.40/194,799.90 = 59,853.80/x
  3. Step 3: Cross multiply
    129,967.40x = 194,799.90 × 59,853.80
  4. Step 4: Simplify right side
    129,967.40x = 11,659,514,254.62
  5. Step 5: Solve for x
    x = 11,659,514,254.62/129,967.40
  6. Step 6: Final answer
    x = 89,711.07

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1.5x scale

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.