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Finding the Fourth Proportional to 169,374.49, 254,160.14 and 75,880.24

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Solution

The fourth proportional to 169,374.49, 254,160.14 and 75,880.24 is: 113,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,374.49 : 254,160.14 = 75,880.24 : x
  2. Step 2: Convert to fraction form
    169,374.49/254,160.14 = 75,880.24/x
  3. Step 3: Cross multiply
    169,374.49x = 254,160.14 × 75,880.24
  4. Step 4: Simplify right side
    169,374.49x = 19,285,732,421.63
  5. Step 5: Solve for x
    x = 19,285,732,421.63/169,374.49
  6. Step 6: Final answer
    x = 113,864.45

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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.