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Finding the Fourth Proportional to 163,517.80, 244,931.10 and 146,007.40

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Solution

The fourth proportional to 163,517.80, 244,931.10 and 146,007.40 is: 218,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,517.80 : 244,931.10 = 146,007.40 : x
  2. Step 2: Convert to fraction form
    163,517.80/244,931.10 = 146,007.40/x
  3. Step 3: Cross multiply
    163,517.80x = 244,931.10 × 146,007.40
  4. Step 4: Simplify right side
    163,517.80x = 35,761,753,090.14
  5. Step 5: Solve for x
    x = 35,761,753,090.14/163,517.80
  6. Step 6: Final answer
    x = 218,702.51

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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.