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Finding the Fourth Proportional to 111,585.68, 167,092.80 and 61,610.30

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Solution

The fourth proportional to 111,585.68, 167,092.80 and 61,610.30 is: 92,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,585.68 : 167,092.80 = 61,610.30 : x
  2. Step 2: Convert to fraction form
    111,585.68/167,092.80 = 61,610.30/x
  3. Step 3: Cross multiply
    111,585.68x = 167,092.80 × 61,610.30
  4. Step 4: Simplify right side
    111,585.68x = 10,294,637,535.84
  5. Step 5: Solve for x
    x = 10,294,637,535.84/111,585.68
  6. Step 6: Final answer
    x = 92,257.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.