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Finding the Fourth Proportional to 265,851.96, 366,862.76 and 158,419.60

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Solution

The fourth proportional to 265,851.96, 366,862.76 and 158,419.60 is: 218,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,851.96 : 366,862.76 = 158,419.60 : x
  2. Step 2: Convert to fraction form
    265,851.96/366,862.76 = 158,419.60/x
  3. Step 3: Cross multiply
    265,851.96x = 366,862.76 × 158,419.60
  4. Step 4: Simplify right side
    265,851.96x = 58,118,251,694.10
  5. Step 5: Solve for x
    x = 58,118,251,694.10/265,851.96
  6. Step 6: Final answer
    x = 218,611.33

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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.