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Finding the Fourth Proportional to 173,367.80, 260,051.70 and 123,342.20

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Solution

The fourth proportional to 173,367.80, 260,051.70 and 123,342.20 is: 185,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,367.80 : 260,051.70 = 123,342.20 : x
  2. Step 2: Convert to fraction form
    173,367.80/260,051.70 = 123,342.20/x
  3. Step 3: Cross multiply
    173,367.80x = 260,051.70 × 123,342.20
  4. Step 4: Simplify right side
    173,367.80x = 32,075,348,791.74
  5. Step 5: Solve for x
    x = 32,075,348,791.74/173,367.80
  6. Step 6: Final answer
    x = 185,013.30

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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.