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Finding the Fourth Proportional to 95,874.40, 143,788.56 and 49,103.20

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Solution

The fourth proportional to 95,874.40, 143,788.56 and 49,103.20 is: 73,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,874.40 : 143,788.56 = 49,103.20 : x
  2. Step 2: Convert to fraction form
    95,874.40/143,788.56 = 49,103.20/x
  3. Step 3: Cross multiply
    95,874.40x = 143,788.56 × 49,103.20
  4. Step 4: Simplify right side
    95,874.40x = 7,060,478,419.39
  5. Step 5: Solve for x
    x = 7,060,478,419.39/95,874.40
  6. Step 6: Final answer
    x = 73,643.00

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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.