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Finding the Fourth Proportional to 265,873.29, 366,909.52 and 145,014.59

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Solution

The fourth proportional to 265,873.29, 366,909.52 and 145,014.59 is: 200,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,873.29 : 366,909.52 = 145,014.59 : x
  2. Step 2: Convert to fraction form
    265,873.29/366,909.52 = 145,014.59/x
  3. Step 3: Cross multiply
    265,873.29x = 366,909.52 × 145,014.59
  4. Step 4: Simplify right side
    265,873.29x = 53,207,231,050.28
  5. Step 5: Solve for x
    x = 53,207,231,050.28/265,873.29
  6. Step 6: Final answer
    x = 200,122.51

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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.