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Finding the Fourth Proportional to 173,894.80, 260,842.20 and 146,338.60

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Solution

The fourth proportional to 173,894.80, 260,842.20 and 146,338.60 is: 219,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,894.80 : 260,842.20 = 146,338.60 : x
  2. Step 2: Convert to fraction form
    173,894.80/260,842.20 = 146,338.60/x
  3. Step 3: Cross multiply
    173,894.80x = 260,842.20 × 146,338.60
  4. Step 4: Simplify right side
    173,894.80x = 38,171,282,368.92
  5. Step 5: Solve for x
    x = 38,171,282,368.92/173,894.80
  6. Step 6: Final answer
    x = 219,507.90

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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.