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Finding the Fourth Proportional to 173,354.40, 260,031.60 and 84,562.20

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Solution

The fourth proportional to 173,354.40, 260,031.60 and 84,562.20 is: 126,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,354.40 : 260,031.60 = 84,562.20 : x
  2. Step 2: Convert to fraction form
    173,354.40/260,031.60 = 84,562.20/x
  3. Step 3: Cross multiply
    173,354.40x = 260,031.60 × 84,562.20
  4. Step 4: Simplify right side
    173,354.40x = 21,988,844,165.52
  5. Step 5: Solve for x
    x = 21,988,844,165.52/173,354.40
  6. Step 6: Final answer
    x = 126,843.30

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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.