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Finding the Fourth Proportional to 173,853.80, 260,780.70 and 61,660.70

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Solution

The fourth proportional to 173,853.80, 260,780.70 and 61,660.70 is: 92,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,853.80 : 260,780.70 = 61,660.70 : x
  2. Step 2: Convert to fraction form
    173,853.80/260,780.70 = 61,660.70/x
  3. Step 3: Cross multiply
    173,853.80x = 260,780.70 × 61,660.70
  4. Step 4: Simplify right side
    173,853.80x = 16,079,920,508.49
  5. Step 5: Solve for x
    x = 16,079,920,508.49/173,853.80
  6. Step 6: Final answer
    x = 92,491.05

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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.