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Finding the Fourth Proportional to 173,365.90, 260,048.85 and 80,053.90

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Solution

The fourth proportional to 173,365.90, 260,048.85 and 80,053.90 is: 120,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,365.90 : 260,048.85 = 80,053.90 : x
  2. Step 2: Convert to fraction form
    173,365.90/260,048.85 = 80,053.90/x
  3. Step 3: Cross multiply
    173,365.90x = 260,048.85 × 80,053.90
  4. Step 4: Simplify right side
    173,365.90x = 20,817,924,633.02
  5. Step 5: Solve for x
    x = 20,817,924,633.02/173,365.90
  6. Step 6: Final answer
    x = 120,080.85

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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.