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Finding the Fourth Proportional to 68,159.34, 102,110.22 and 38,598.39

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Solution

The fourth proportional to 68,159.34, 102,110.22 and 38,598.39 is: 57,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.34 : 102,110.22 = 38,598.39 : x
  2. Step 2: Convert to fraction form
    68,159.34/102,110.22 = 38,598.39/x
  3. Step 3: Cross multiply
    68,159.34x = 102,110.22 × 38,598.39
  4. Step 4: Simplify right side
    68,159.34x = 3,941,290,094.55
  5. Step 5: Solve for x
    x = 3,941,290,094.55/68,159.34
  6. Step 6: Final answer
    x = 57,824.65

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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.