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Finding the Fourth Proportional to 111,034.80, 153,219.60 and 60,733.80

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Solution

The fourth proportional to 111,034.80, 153,219.60 and 60,733.80 is: 83,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,034.80 : 153,219.60 = 60,733.80 : x
  2. Step 2: Convert to fraction form
    111,034.80/153,219.60 = 60,733.80/x
  3. Step 3: Cross multiply
    111,034.80x = 153,219.60 × 60,733.80
  4. Step 4: Simplify right side
    111,034.80x = 9,305,608,542.48
  5. Step 5: Solve for x
    x = 9,305,608,542.48/111,034.80
  6. Step 6: Final answer
    x = 83,808.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.