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Finding the Fourth Proportional to 169,784.48, 254,326.72 and 99,450.56

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Solution

The fourth proportional to 169,784.48, 254,326.72 and 99,450.56 is: 148,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,784.48 : 254,326.72 = 99,450.56 : x
  2. Step 2: Convert to fraction form
    169,784.48/254,326.72 = 99,450.56/x
  3. Step 3: Cross multiply
    169,784.48x = 254,326.72 × 99,450.56
  4. Step 4: Simplify right side
    169,784.48x = 25,292,934,726.96
  5. Step 5: Solve for x
    x = 25,292,934,726.96/169,784.48
  6. Step 6: Final answer
    x = 148,970.83

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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.