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Finding the Fourth Proportional to 101,778.08, 152,541.54 and 73,794.20

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Solution

The fourth proportional to 101,778.08, 152,541.54 and 73,794.20 is: 110,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,778.08 : 152,541.54 = 73,794.20 : x
  2. Step 2: Convert to fraction form
    101,778.08/152,541.54 = 73,794.20/x
  3. Step 3: Cross multiply
    101,778.08x = 152,541.54 × 73,794.20
  4. Step 4: Simplify right side
    101,778.08x = 11,256,680,911.07
  5. Step 5: Solve for x
    x = 11,256,680,911.07/101,778.08
  6. Step 6: Final answer
    x = 110,600.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.