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Finding the Fourth Proportional to 113,797.62, 170,722.98 and 38,918.34

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Solution

The fourth proportional to 113,797.62, 170,722.98 and 38,918.34 is: 58,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,797.62 : 170,722.98 = 38,918.34 : x
  2. Step 2: Convert to fraction form
    113,797.62/170,722.98 = 38,918.34/x
  3. Step 3: Cross multiply
    113,797.62x = 170,722.98 × 38,918.34
  4. Step 4: Simplify right side
    113,797.62x = 6,644,254,981.45
  5. Step 5: Solve for x
    x = 6,644,254,981.45/113,797.62
  6. Step 6: Final answer
    x = 58,386.59

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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.