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Finding the Fourth Proportional to 164,812.60, 247,218.90 and 160,438.60

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Solution

The fourth proportional to 164,812.60, 247,218.90 and 160,438.60 is: 240,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,812.60 : 247,218.90 = 160,438.60 : x
  2. Step 2: Convert to fraction form
    164,812.60/247,218.90 = 160,438.60/x
  3. Step 3: Cross multiply
    164,812.60x = 247,218.90 × 160,438.60
  4. Step 4: Simplify right side
    164,812.60x = 39,663,454,209.54
  5. Step 5: Solve for x
    x = 39,663,454,209.54/164,812.60
  6. Step 6: Final answer
    x = 240,657.90

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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.