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Finding the Fourth Proportional to 70,155.30, 96,814.36 and 38,324.72

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Solution

The fourth proportional to 70,155.30, 96,814.36 and 38,324.72 is: 52,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155.30 : 96,814.36 = 38,324.72 : x
  2. Step 2: Convert to fraction form
    70,155.30/96,814.36 = 38,324.72/x
  3. Step 3: Cross multiply
    70,155.30x = 96,814.36 × 38,324.72
  4. Step 4: Simplify right side
    70,155.30x = 3,710,383,238.98
  5. Step 5: Solve for x
    x = 3,710,383,238.98/70,155.30
  6. Step 6: Final answer
    x = 52,888.14

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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.