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Finding the Fourth Proportional to 173,898.80, 260,848.20 and 146,342.60

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Solution

The fourth proportional to 173,898.80, 260,848.20 and 146,342.60 is: 219,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,898.80 : 260,848.20 = 146,342.60 : x
  2. Step 2: Convert to fraction form
    173,898.80/260,848.20 = 146,342.60/x
  3. Step 3: Cross multiply
    173,898.80x = 260,848.20 × 146,342.60
  4. Step 4: Simplify right side
    173,898.80x = 38,173,203,793.32
  5. Step 5: Solve for x
    x = 38,173,203,793.32/173,898.80
  6. Step 6: Final answer
    x = 219,513.90

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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.