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Finding the Fourth Proportional to 109,507.33, 151,120.34 and 59,206.33

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Solution

The fourth proportional to 109,507.33, 151,120.34 and 59,206.33 is: 81,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,507.33 : 151,120.34 = 59,206.33 : x
  2. Step 2: Convert to fraction form
    109,507.33/151,120.34 = 59,206.33/x
  3. Step 3: Cross multiply
    109,507.33x = 151,120.34 × 59,206.33
  4. Step 4: Simplify right side
    109,507.33x = 8,947,280,719.75
  5. Step 5: Solve for x
    x = 8,947,280,719.75/109,507.33
  6. Step 6: Final answer
    x = 81,704.86

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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.