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Finding the Fourth Proportional to 147,297.60, 213,166.80 and 147,297.60

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Solution

The fourth proportional to 147,297.60, 213,166.80 and 147,297.60 is: 213,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,297.60 : 213,166.80 = 147,297.60 : x
  2. Step 2: Convert to fraction form
    147,297.60/213,166.80 = 147,297.60/x
  3. Step 3: Cross multiply
    147,297.60x = 213,166.80 × 147,297.60
  4. Step 4: Simplify right side
    147,297.60x = 31,398,958,039.68
  5. Step 5: Solve for x
    x = 31,398,958,039.68/147,297.60
  6. Step 6: Final answer
    x = 213,166.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.