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Finding the Fourth Proportional to 133,038.10, 199,557.15 and 95,859.10

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Solution

The fourth proportional to 133,038.10, 199,557.15 and 95,859.10 is: 143,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.10 : 199,557.15 = 95,859.10 : x
  2. Step 2: Convert to fraction form
    133,038.10/199,557.15 = 95,859.10/x
  3. Step 3: Cross multiply
    133,038.10x = 199,557.15 × 95,859.10
  4. Step 4: Simplify right side
    133,038.10x = 19,129,368,797.57
  5. Step 5: Solve for x
    x = 19,129,368,797.57/133,038.10
  6. Step 6: Final answer
    x = 143,788.65

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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.