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Finding the Fourth Proportional to 157,600.80, 213,175.80 and 157,600.80

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Solution

The fourth proportional to 157,600.80, 213,175.80 and 157,600.80 is: 213,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,600.80 : 213,175.80 = 157,600.80 : x
  2. Step 2: Convert to fraction form
    157,600.80/213,175.80 = 157,600.80/x
  3. Step 3: Cross multiply
    157,600.80x = 213,175.80 × 157,600.80
  4. Step 4: Simplify right side
    157,600.80x = 33,596,676,620.64
  5. Step 5: Solve for x
    x = 33,596,676,620.64/157,600.80
  6. Step 6: Final answer
    x = 213,175.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.