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Finding the Fourth Proportional to 88,994.16, 133,360.02 and 84,007.80

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Solution

The fourth proportional to 88,994.16, 133,360.02 and 84,007.80 is: 125,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,994.16 : 133,360.02 = 84,007.80 : x
  2. Step 2: Convert to fraction form
    88,994.16/133,360.02 = 84,007.80/x
  3. Step 3: Cross multiply
    88,994.16x = 133,360.02 × 84,007.80
  4. Step 4: Simplify right side
    88,994.16x = 11,203,281,888.16
  5. Step 5: Solve for x
    x = 11,203,281,888.16/88,994.16
  6. Step 6: Final answer
    x = 125,887.83

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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.