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Finding the Fourth Proportional to 173,385.20, 260,077.80 and 106,900.40

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Solution

The fourth proportional to 173,385.20, 260,077.80 and 106,900.40 is: 160,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,385.20 : 260,077.80 = 106,900.40 : x
  2. Step 2: Convert to fraction form
    173,385.20/260,077.80 = 106,900.40/x
  3. Step 3: Cross multiply
    173,385.20x = 260,077.80 × 106,900.40
  4. Step 4: Simplify right side
    173,385.20x = 27,802,420,851.12
  5. Step 5: Solve for x
    x = 27,802,420,851.12/173,385.20
  6. Step 6: Final answer
    x = 160,350.60

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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.