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Finding the Fourth Proportional to 169,090.65, 233,793.72 and 147,808.86

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Solution

The fourth proportional to 169,090.65, 233,793.72 and 147,808.86 is: 204,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,090.65 : 233,793.72 = 147,808.86 : x
  2. Step 2: Convert to fraction form
    169,090.65/233,793.72 = 147,808.86/x
  3. Step 3: Cross multiply
    169,090.65x = 233,793.72 × 147,808.86
  4. Step 4: Simplify right side
    169,090.65x = 34,556,783,228.36
  5. Step 5: Solve for x
    x = 34,556,783,228.36/169,090.65
  6. Step 6: Final answer
    x = 204,368.39

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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.