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Finding the Fourth Proportional to 115,899.34, 159,922.82 and 67,509.23

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Solution

The fourth proportional to 115,899.34, 159,922.82 and 67,509.23 is: 93,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,899.34 : 159,922.82 = 67,509.23 : x
  2. Step 2: Convert to fraction form
    115,899.34/159,922.82 = 67,509.23/x
  3. Step 3: Cross multiply
    115,899.34x = 159,922.82 × 67,509.23
  4. Step 4: Simplify right side
    115,899.34x = 10,796,266,100.08
  5. Step 5: Solve for x
    x = 10,796,266,100.08/115,899.34
  6. Step 6: Final answer
    x = 93,152.10

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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.