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Finding the Fourth Proportional to 111,299.33, 153,600.57 and 62,884.49

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Solution

The fourth proportional to 111,299.33, 153,600.57 and 62,884.49 is: 86,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,299.33 : 153,600.57 = 62,884.49 : x
  2. Step 2: Convert to fraction form
    111,299.33/153,600.57 = 62,884.49/x
  3. Step 3: Cross multiply
    111,299.33x = 153,600.57 × 62,884.49
  4. Step 4: Simplify right side
    111,299.33x = 9,659,092,740.16
  5. Step 5: Solve for x
    x = 9,659,092,740.16/111,299.33
  6. Step 6: Final answer
    x = 86,784.82

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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.