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Finding the Fourth Proportional to 107,059.30, 147,811.16 and 68,836.01

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Solution

The fourth proportional to 107,059.30, 147,811.16 and 68,836.01 is: 95,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,059.30 : 147,811.16 = 68,836.01 : x
  2. Step 2: Convert to fraction form
    107,059.30/147,811.16 = 68,836.01/x
  3. Step 3: Cross multiply
    107,059.30x = 147,811.16 × 68,836.01
  4. Step 4: Simplify right side
    107,059.30x = 10,174,730,143.69
  5. Step 5: Solve for x
    x = 10,174,730,143.69/107,059.30
  6. Step 6: Final answer
    x = 95,038.27

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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.