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Finding the Fourth Proportional to 95,364.40, 143,111.40 and 53,244.40

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Solution

The fourth proportional to 95,364.40, 143,111.40 and 53,244.40 is: 79,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,364.40 : 143,111.40 = 53,244.40 : x
  2. Step 2: Convert to fraction form
    95,364.40/143,111.40 = 53,244.40/x
  3. Step 3: Cross multiply
    95,364.40x = 143,111.40 × 53,244.40
  4. Step 4: Simplify right side
    95,364.40x = 7,619,880,626.16
  5. Step 5: Solve for x
    x = 7,619,880,626.16/95,364.40
  6. Step 6: Final answer
    x = 79,902.78

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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.