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Finding the Fourth Proportional to 64,959.76, 97,158.18 and 38,242.08

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Solution

The fourth proportional to 64,959.76, 97,158.18 and 38,242.08 is: 57,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,959.76 : 97,158.18 = 38,242.08 : x
  2. Step 2: Convert to fraction form
    64,959.76/97,158.18 = 38,242.08/x
  3. Step 3: Cross multiply
    64,959.76x = 97,158.18 × 38,242.08
  4. Step 4: Simplify right side
    64,959.76x = 3,715,530,892.21
  5. Step 5: Solve for x
    x = 3,715,530,892.21/64,959.76
  6. Step 6: Final answer
    x = 57,197.42

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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.