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Finding the Fourth Proportional to 163,535.63, 225,752.06 and 115,181.06

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Solution

The fourth proportional to 163,535.63, 225,752.06 and 115,181.06 is: 159,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,535.63 : 225,752.06 = 115,181.06 : x
  2. Step 2: Convert to fraction form
    163,535.63/225,752.06 = 115,181.06/x
  3. Step 3: Cross multiply
    163,535.63x = 225,752.06 × 115,181.06
  4. Step 4: Simplify right side
    163,535.63x = 26,002,360,727.18
  5. Step 5: Solve for x
    x = 26,002,360,727.18/163,535.63
  6. Step 6: Final answer
    x = 159,001.20

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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.