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Finding the Fourth Proportional to 83,924.94, 115,818.54 and 48,126.58

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Solution

The fourth proportional to 83,924.94, 115,818.54 and 48,126.58 is: 66,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,924.94 : 115,818.54 = 48,126.58 : x
  2. Step 2: Convert to fraction form
    83,924.94/115,818.54 = 48,126.58/x
  3. Step 3: Cross multiply
    83,924.94x = 115,818.54 × 48,126.58
  4. Step 4: Simplify right side
    83,924.94x = 5,573,950,230.79
  5. Step 5: Solve for x
    x = 5,573,950,230.79/83,924.94
  6. Step 6: Final answer
    x = 66,415.90

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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.