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Finding the Fourth Proportional to 167,314.74, 230,894.76 and 91,868.10

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Solution

The fourth proportional to 167,314.74, 230,894.76 and 91,868.10 is: 126,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,314.74 : 230,894.76 = 91,868.10 : x
  2. Step 2: Convert to fraction form
    167,314.74/230,894.76 = 91,868.10/x
  3. Step 3: Cross multiply
    167,314.74x = 230,894.76 × 91,868.10
  4. Step 4: Simplify right side
    167,314.74x = 21,211,862,901.16
  5. Step 5: Solve for x
    x = 21,211,862,901.16/167,314.74
  6. Step 6: Final answer
    x = 126,778.21

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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.