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Finding the Fourth Proportional to 166,718.88, 230,075.28 and 91,265.76

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Solution

The fourth proportional to 166,718.88, 230,075.28 and 91,265.76 is: 125,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,718.88 : 230,075.28 = 91,265.76 : x
  2. Step 2: Convert to fraction form
    166,718.88/230,075.28 = 91,265.76/x
  3. Step 3: Cross multiply
    166,718.88x = 230,075.28 × 91,265.76
  4. Step 4: Simplify right side
    166,718.88x = 20,997,995,286.41
  5. Step 5: Solve for x
    x = 20,997,995,286.41/166,718.88
  6. Step 6: Final answer
    x = 125,948.51

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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.