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Finding the Fourth Proportional to 88,883.04, 133,321.04 and 49,415.20

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Solution

The fourth proportional to 88,883.04, 133,321.04 and 49,415.20 is: 74,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,883.04 : 133,321.04 = 49,415.20 : x
  2. Step 2: Convert to fraction form
    88,883.04/133,321.04 = 49,415.20/x
  3. Step 3: Cross multiply
    88,883.04x = 133,321.04 × 49,415.20
  4. Step 4: Simplify right side
    88,883.04x = 6,588,085,855.81
  5. Step 5: Solve for x
    x = 6,588,085,855.81/88,883.04
  6. Step 6: Final answer
    x = 74,120.84

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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.