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Finding the Fourth Proportional to 165,303.72, 247,957.29 and 65,488.32

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Solution

The fourth proportional to 165,303.72, 247,957.29 and 65,488.32 is: 98,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,303.72 : 247,957.29 = 65,488.32 : x
  2. Step 2: Convert to fraction form
    165,303.72/247,957.29 = 65,488.32/x
  3. Step 3: Cross multiply
    165,303.72x = 247,957.29 × 65,488.32
  4. Step 4: Simplify right side
    165,303.72x = 16,238,306,353.85
  5. Step 5: Solve for x
    x = 16,238,306,353.85/165,303.72
  6. Step 6: Final answer
    x = 98,233.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.