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Finding the Fourth Proportional to 70,849.17, 97,744.07 and 40,618.35

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Solution

The fourth proportional to 70,849.17, 97,744.07 and 40,618.35 is: 56,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849.17 : 97,744.07 = 40,618.35 : x
  2. Step 2: Convert to fraction form
    70,849.17/97,744.07 = 40,618.35/x
  3. Step 3: Cross multiply
    70,849.17x = 97,744.07 × 40,618.35
  4. Step 4: Simplify right side
    70,849.17x = 3,970,202,642.59
  5. Step 5: Solve for x
    x = 3,970,202,642.59/70,849.17
  6. Step 6: Final answer
    x = 56,037.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.