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Finding the Fourth Proportional to 173,423.80, 260,184.30 and 84,680.20

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Solution

The fourth proportional to 173,423.80, 260,184.30 and 84,680.20 is: 127,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,423.80 : 260,184.30 = 84,680.20 : x
  2. Step 2: Convert to fraction form
    173,423.80/260,184.30 = 84,680.20/x
  3. Step 3: Cross multiply
    173,423.80x = 260,184.30 × 84,680.20
  4. Step 4: Simplify right side
    173,423.80x = 22,032,458,560.86
  5. Step 5: Solve for x
    x = 22,032,458,560.86/173,423.80
  6. Step 6: Final answer
    x = 127,044.03

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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.