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Finding the Fourth Proportional to 163,049.80, 244,574.70 and 143,804.20

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Solution

The fourth proportional to 163,049.80, 244,574.70 and 143,804.20 is: 215,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,049.80 : 244,574.70 = 143,804.20 : x
  2. Step 2: Convert to fraction form
    163,049.80/244,574.70 = 143,804.20/x
  3. Step 3: Cross multiply
    163,049.80x = 244,574.70 × 143,804.20
  4. Step 4: Simplify right side
    163,049.80x = 35,170,869,073.74
  5. Step 5: Solve for x
    x = 35,170,869,073.74/163,049.80
  6. Step 6: Final answer
    x = 215,706.30

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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.