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Finding the Fourth Proportional to 107,103.96, 147,799.44 and 59,358.12

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Solution

The fourth proportional to 107,103.96, 147,799.44 and 59,358.12 is: 81,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,103.96 : 147,799.44 = 59,358.12 : x
  2. Step 2: Convert to fraction form
    107,103.96/147,799.44 = 59,358.12/x
  3. Step 3: Cross multiply
    107,103.96x = 147,799.44 × 59,358.12
  4. Step 4: Simplify right side
    107,103.96x = 8,773,096,895.45
  5. Step 5: Solve for x
    x = 8,773,096,895.45/107,103.96
  6. Step 6: Final answer
    x = 81,911.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.