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Finding the Fourth Proportional to 169,425.54, 253,817.55 and 113,095.80

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Solution

The fourth proportional to 169,425.54, 253,817.55 and 113,095.80 is: 169,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,425.54 : 253,817.55 = 113,095.80 : x
  2. Step 2: Convert to fraction form
    169,425.54/253,817.55 = 113,095.80/x
  3. Step 3: Cross multiply
    169,425.54x = 253,817.55 × 113,095.80
  4. Step 4: Simplify right side
    169,425.54x = 28,705,698,871.29
  5. Step 5: Solve for x
    x = 28,705,698,871.29/169,425.54
  6. Step 6: Final answer
    x = 169,429.58

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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.