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Finding the Fourth Proportional to 173,907.48, 260,433.54 and 84,873.90

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Solution

The fourth proportional to 173,907.48, 260,433.54 and 84,873.90 is: 127,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,907.48 : 260,433.54 = 84,873.90 : x
  2. Step 2: Convert to fraction form
    173,907.48/260,433.54 = 84,873.90/x
  3. Step 3: Cross multiply
    173,907.48x = 260,433.54 × 84,873.90
  4. Step 4: Simplify right side
    173,907.48x = 22,104,010,230.61
  5. Step 5: Solve for x
    x = 22,104,010,230.61/173,907.48
  6. Step 6: Final answer
    x = 127,102.12

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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.