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Finding the Fourth Proportional to 77,339.52, 106,764.48 and 58,226.88

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Solution

The fourth proportional to 77,339.52, 106,764.48 and 58,226.88 is: 80,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,339.52 : 106,764.48 = 58,226.88 : x
  2. Step 2: Convert to fraction form
    77,339.52/106,764.48 = 58,226.88/x
  3. Step 3: Cross multiply
    77,339.52x = 106,764.48 × 58,226.88
  4. Step 4: Simplify right side
    77,339.52x = 6,216,562,565.22
  5. Step 5: Solve for x
    x = 6,216,562,565.22/77,339.52
  6. Step 6: Final answer
    x = 80,380.15

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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.