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Finding the Fourth Proportional to 77,360.08, 106,754.88 and 43,826.08

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Solution

The fourth proportional to 77,360.08, 106,754.88 and 43,826.08 is: 60,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,360.08 : 106,754.88 = 43,826.08 : x
  2. Step 2: Convert to fraction form
    77,360.08/106,754.88 = 43,826.08/x
  3. Step 3: Cross multiply
    77,360.08x = 106,754.88 × 43,826.08
  4. Step 4: Simplify right side
    77,360.08x = 4,678,647,911.27
  5. Step 5: Solve for x
    x = 4,678,647,911.27/77,360.08
  6. Step 6: Final answer
    x = 60,478.84

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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.