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Finding the Fourth Proportional to 169,210.56, 233,036.80 and 165,536.96

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Solution

The fourth proportional to 169,210.56, 233,036.80 and 165,536.96 is: 227,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,210.56 : 233,036.80 = 165,536.96 : x
  2. Step 2: Convert to fraction form
    169,210.56/233,036.80 = 165,536.96/x
  3. Step 3: Cross multiply
    169,210.56x = 233,036.80 × 165,536.96
  4. Step 4: Simplify right side
    169,210.56x = 38,576,203,440.13
  5. Step 5: Solve for x
    x = 38,576,203,440.13/169,210.56
  6. Step 6: Final answer
    x = 227,977.52

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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.