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Finding the Fourth Proportional to 169,883.57, 254,856.11 and 69,988.25

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Solution

The fourth proportional to 169,883.57, 254,856.11 and 69,988.25 is: 104,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,883.57 : 254,856.11 = 69,988.25 : x
  2. Step 2: Convert to fraction form
    169,883.57/254,856.11 = 69,988.25/x
  3. Step 3: Cross multiply
    169,883.57x = 254,856.11 × 69,988.25
  4. Step 4: Simplify right side
    169,883.57x = 17,836,933,140.71
  5. Step 5: Solve for x
    x = 17,836,933,140.71/169,883.57
  6. Step 6: Final answer
    x = 104,995.05

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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.