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Finding the Fourth Proportional to 265,091.88, 365,823.95 and 157,659.55

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Solution

The fourth proportional to 265,091.88, 365,823.95 and 157,659.55 is: 217,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,091.88 : 365,823.95 = 157,659.55 : x
  2. Step 2: Convert to fraction form
    265,091.88/365,823.95 = 157,659.55/x
  3. Step 3: Cross multiply
    265,091.88x = 365,823.95 × 157,659.55
  4. Step 4: Simplify right side
    265,091.88x = 57,675,639,336.22
  5. Step 5: Solve for x
    x = 57,675,639,336.22/265,091.88
  6. Step 6: Final answer
    x = 217,568.49

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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.