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Finding the Fourth Proportional to 265,399.72, 366,261.96 and 150,689.02

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Solution

The fourth proportional to 265,399.72, 366,261.96 and 150,689.02 is: 207,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,399.72 : 366,261.96 = 150,689.02 : x
  2. Step 2: Convert to fraction form
    265,399.72/366,261.96 = 150,689.02/x
  3. Step 3: Cross multiply
    265,399.72x = 366,261.96 × 150,689.02
  4. Step 4: Simplify right side
    265,399.72x = 55,191,655,815.68
  5. Step 5: Solve for x
    x = 55,191,655,815.68/265,399.72
  6. Step 6: Final answer
    x = 207,956.72

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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.