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Finding the Fourth Proportional to 164,707.20, 247,060.80 and 148,960.80

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Solution

The fourth proportional to 164,707.20, 247,060.80 and 148,960.80 is: 223,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,707.20 : 247,060.80 = 148,960.80 : x
  2. Step 2: Convert to fraction form
    164,707.20/247,060.80 = 148,960.80/x
  3. Step 3: Cross multiply
    164,707.20x = 247,060.80 × 148,960.80
  4. Step 4: Simplify right side
    164,707.20x = 36,802,374,416.64
  5. Step 5: Solve for x
    x = 36,802,374,416.64/164,707.20
  6. Step 6: Final answer
    x = 223,441.20

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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.