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Finding the Fourth Proportional to 165,501.45, 247,760.10 and 165,501.45

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Solution

The fourth proportional to 165,501.45, 247,760.10 and 165,501.45 is: 247,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,501.45 : 247,760.10 = 165,501.45 : x
  2. Step 2: Convert to fraction form
    165,501.45/247,760.10 = 165,501.45/x
  3. Step 3: Cross multiply
    165,501.45x = 247,760.10 × 165,501.45
  4. Step 4: Simplify right side
    165,501.45x = 41,004,655,802.15
  5. Step 5: Solve for x
    x = 41,004,655,802.15/165,501.45
  6. Step 6: Final answer
    x = 247,760.10

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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.