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Finding the Fourth Proportional to 170,867.77, 256,301.78 and 44,507.70

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Solution

The fourth proportional to 170,867.77, 256,301.78 and 44,507.70 is: 66,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,867.77 : 256,301.78 = 44,507.70 : x
  2. Step 2: Convert to fraction form
    170,867.77/256,301.78 = 44,507.70/x
  3. Step 3: Cross multiply
    170,867.77x = 256,301.78 × 44,507.70
  4. Step 4: Simplify right side
    170,867.77x = 11,407,402,511.17
  5. Step 5: Solve for x
    x = 11,407,402,511.17/170,867.77
  6. Step 6: Final answer
    x = 66,761.58

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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.