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Finding the Fourth Proportional to 107,110.70, 147,807.78 and 59,363.18

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Solution

The fourth proportional to 107,110.70, 147,807.78 and 59,363.18 is: 81,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,110.70 : 147,807.78 = 59,363.18 : x
  2. Step 2: Convert to fraction form
    107,110.70/147,807.78 = 59,363.18/x
  3. Step 3: Cross multiply
    107,110.70x = 147,807.78 × 59,363.18
  4. Step 4: Simplify right side
    107,110.70x = 8,774,339,849.54
  5. Step 5: Solve for x
    x = 8,774,339,849.54/107,110.70
  6. Step 6: Final answer
    x = 81,918.43

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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.