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Finding the Fourth Proportional to 70,060.84, 104,924.22 and 38,818.60

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Solution

The fourth proportional to 70,060.84, 104,924.22 and 38,818.60 is: 58,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060.84 : 104,924.22 = 38,818.60 : x
  2. Step 2: Convert to fraction form
    70,060.84/104,924.22 = 38,818.60/x
  3. Step 3: Cross multiply
    70,060.84x = 104,924.22 × 38,818.60
  4. Step 4: Simplify right side
    70,060.84x = 4,073,011,326.49
  5. Step 5: Solve for x
    x = 4,073,011,326.49/70,060.84
  6. Step 6: Final answer
    x = 58,135.35

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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.