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Finding the Fourth Proportional to 107,679.36, 148,557.66 and 107,513.29

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Solution

The fourth proportional to 107,679.36, 148,557.66 and 107,513.29 is: 148,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,679.36 : 148,557.66 = 107,513.29 : x
  2. Step 2: Convert to fraction form
    107,679.36/148,557.66 = 107,513.29/x
  3. Step 3: Cross multiply
    107,679.36x = 148,557.66 × 107,513.29
  4. Step 4: Simplify right side
    107,679.36x = 15,971,923,050.08
  5. Step 5: Solve for x
    x = 15,971,923,050.08/107,679.36
  6. Step 6: Final answer
    x = 148,328.54

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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.