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Finding the Fourth Proportional to 107,383.59, 148,348.52 and 70,676.37

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Solution

The fourth proportional to 107,383.59, 148,348.52 and 70,676.37 is: 97,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.59 : 148,348.52 = 70,676.37 : x
  2. Step 2: Convert to fraction form
    107,383.59/148,348.52 = 70,676.37/x
  3. Step 3: Cross multiply
    107,383.59x = 148,348.52 × 70,676.37
  4. Step 4: Simplify right side
    107,383.59x = 10,484,734,800.13
  5. Step 5: Solve for x
    x = 10,484,734,800.13/107,383.59
  6. Step 6: Final answer
    x = 97,638.15

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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.