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Finding the Fourth Proportional to 111,655.73, 154,085.84 and 60,668.46

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Solution

The fourth proportional to 111,655.73, 154,085.84 and 60,668.46 is: 83,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,655.73 : 154,085.84 = 60,668.46 : x
  2. Step 2: Convert to fraction form
    111,655.73/154,085.84 = 60,668.46/x
  3. Step 3: Cross multiply
    111,655.73x = 154,085.84 × 60,668.46
  4. Step 4: Simplify right side
    111,655.73x = 9,348,150,626.69
  5. Step 5: Solve for x
    x = 9,348,150,626.69/111,655.73
  6. Step 6: Final answer
    x = 83,722.98

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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.