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Finding the Fourth Proportional to 70,299.04, 97,199.31 and 61,441.69

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Solution

The fourth proportional to 70,299.04, 97,199.31 and 61,441.69 is: 84,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,299.04 : 97,199.31 = 61,441.69 : x
  2. Step 2: Convert to fraction form
    70,299.04/97,199.31 = 61,441.69/x
  3. Step 3: Cross multiply
    70,299.04x = 97,199.31 × 61,441.69
  4. Step 4: Simplify right side
    70,299.04x = 5,972,089,873.23
  5. Step 5: Solve for x
    x = 5,972,089,873.23/70,299.04
  6. Step 6: Final answer
    x = 84,952.65

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Why These Related Problems?

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