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Finding the Fourth Proportional to 123,334.76, 170,202.50 and 66,746.14

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Solution

The fourth proportional to 123,334.76, 170,202.50 and 66,746.14 is: 92,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,334.76 : 170,202.50 = 66,746.14 : x
  2. Step 2: Convert to fraction form
    123,334.76/170,202.50 = 66,746.14/x
  3. Step 3: Cross multiply
    123,334.76x = 170,202.50 × 66,746.14
  4. Step 4: Simplify right side
    123,334.76x = 11,360,359,384.41
  5. Step 5: Solve for x
    x = 11,360,359,384.41/123,334.76
  6. Step 6: Final answer
    x = 92,109.95

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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.