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Finding the Fourth Proportional to 169,608.42, 254,421.54 and 51,276.75

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Solution

The fourth proportional to 169,608.42, 254,421.54 and 51,276.75 is: 76,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,608.42 : 254,421.54 = 51,276.75 : x
  2. Step 2: Convert to fraction form
    169,608.42/254,421.54 = 51,276.75/x
  3. Step 3: Cross multiply
    169,608.42x = 254,421.54 × 51,276.75
  4. Step 4: Simplify right side
    169,608.42x = 13,045,909,701.20
  5. Step 5: Solve for x
    x = 13,045,909,701.20/169,608.42
  6. Step 6: Final answer
    x = 76,917.82

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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.