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Finding the Fourth Proportional to 70,849.80, 97,722.18 and 45,675

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Solution

The fourth proportional to 70,849.80, 97,722.18 and 45,675 is: 62,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849.80 : 97,722.18 = 45,675 : x
  2. Step 2: Convert to fraction form
    70,849.80/97,722.18 = 45,675/x
  3. Step 3: Cross multiply
    70,849.80x = 97,722.18 × 45,675
  4. Step 4: Simplify right side
    70,849.80x = 4,463,460,571.50
  5. Step 5: Solve for x
    x = 4,463,460,571.50/70,849.80
  6. Step 6: Final answer
    x = 62,998.92

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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.