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Finding the Fourth Proportional to 163,511.80, 244,922.10 and 146,001.40

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Solution

The fourth proportional to 163,511.80, 244,922.10 and 146,001.40 is: 218,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,511.80 : 244,922.10 = 146,001.40 : x
  2. Step 2: Convert to fraction form
    163,511.80/244,922.10 = 146,001.40/x
  3. Step 3: Cross multiply
    163,511.80x = 244,922.10 × 146,001.40
  4. Step 4: Simplify right side
    163,511.80x = 35,758,969,490.94
  5. Step 5: Solve for x
    x = 35,758,969,490.94/163,511.80
  6. Step 6: Final answer
    x = 218,693.51

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1.5x scale

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.