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Finding the Fourth Proportional to 88,840.40, 133,087.80 and 49,326.80

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Solution

The fourth proportional to 88,840.40, 133,087.80 and 49,326.80 is: 73,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,840.40 : 133,087.80 = 49,326.80 : x
  2. Step 2: Convert to fraction form
    88,840.40/133,087.80 = 49,326.80/x
  3. Step 3: Cross multiply
    88,840.40x = 133,087.80 × 49,326.80
  4. Step 4: Simplify right side
    88,840.40x = 6,564,795,293.04
  5. Step 5: Solve for x
    x = 6,564,795,293.04/88,840.40
  6. Step 6: Final answer
    x = 73,894.26

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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.