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Finding the Fourth Proportional to 88,490.58, 122,116.05 and 50,770.74

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Solution

The fourth proportional to 88,490.58, 122,116.05 and 50,770.74 is: 70,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,490.58 : 122,116.05 = 50,770.74 : x
  2. Step 2: Convert to fraction form
    88,490.58/122,116.05 = 50,770.74/x
  3. Step 3: Cross multiply
    88,490.58x = 122,116.05 × 50,770.74
  4. Step 4: Simplify right side
    88,490.58x = 6,199,922,224.38
  5. Step 5: Solve for x
    x = 6,199,922,224.38/88,490.58
  6. Step 6: Final answer
    x = 70,063.08

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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.