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Finding the Fourth Proportional to 147,743.80, 207,366.20 and 147,743.80

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Solution

The fourth proportional to 147,743.80, 207,366.20 and 147,743.80 is: 207,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743.80 : 207,366.20 = 147,743.80 : x
  2. Step 2: Convert to fraction form
    147,743.80/207,366.20 = 147,743.80/x
  3. Step 3: Cross multiply
    147,743.80x = 207,366.20 × 147,743.80
  4. Step 4: Simplify right side
    147,743.80x = 30,637,070,379.56
  5. Step 5: Solve for x
    x = 30,637,070,379.56/147,743.80
  6. Step 6: Final answer
    x = 207,366.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.