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Finding the Fourth Proportional to 265,990.48, 367,074.12 and 158,569.36

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Solution

The fourth proportional to 265,990.48, 367,074.12 and 158,569.36 is: 218,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,990.48 : 367,074.12 = 158,569.36 : x
  2. Step 2: Convert to fraction form
    265,990.48/367,074.12 = 158,569.36/x
  3. Step 3: Cross multiply
    265,990.48x = 367,074.12 × 158,569.36
  4. Step 4: Simplify right side
    265,990.48x = 58,206,708,280.96
  5. Step 5: Solve for x
    x = 58,206,708,280.96/265,990.48
  6. Step 6: Final answer
    x = 218,830.04

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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.