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Finding the Fourth Proportional to 77,383.92, 106,851.24 and 62,228.01

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Solution

The fourth proportional to 77,383.92, 106,851.24 and 62,228.01 is: 85,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,383.92 : 106,851.24 = 62,228.01 : x
  2. Step 2: Convert to fraction form
    77,383.92/106,851.24 = 62,228.01/x
  3. Step 3: Cross multiply
    77,383.92x = 106,851.24 × 62,228.01
  4. Step 4: Simplify right side
    77,383.92x = 6,649,140,031.23
  5. Step 5: Solve for x
    x = 6,649,140,031.23/77,383.92
  6. Step 6: Final answer
    x = 85,924.05

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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.