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Finding the Fourth Proportional to 70,341.28, 97,067.28 and 38,504.08

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Solution

The fourth proportional to 70,341.28, 97,067.28 and 38,504.08 is: 53,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.28 : 97,067.28 = 38,504.08 : x
  2. Step 2: Convert to fraction form
    70,341.28/97,067.28 = 38,504.08/x
  3. Step 3: Cross multiply
    70,341.28x = 97,067.28 × 38,504.08
  4. Step 4: Simplify right side
    70,341.28x = 3,737,486,314.50
  5. Step 5: Solve for x
    x = 3,737,486,314.50/70,341.28
  6. Step 6: Final answer
    x = 53,133.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.