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Finding the Fourth Proportional to 95,868.70, 143,801.70 and 43,278.10

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Solution

The fourth proportional to 95,868.70, 143,801.70 and 43,278.10 is: 64,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,868.70 : 143,801.70 = 43,278.10 : x
  2. Step 2: Convert to fraction form
    95,868.70/143,801.70 = 43,278.10/x
  3. Step 3: Cross multiply
    95,868.70x = 143,801.70 × 43,278.10
  4. Step 4: Simplify right side
    95,868.70x = 6,223,464,352.77
  5. Step 5: Solve for x
    x = 6,223,464,352.77/95,868.70
  6. Step 6: Final answer
    x = 64,916.54

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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.