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Finding the Fourth Proportional to 240,589.80, 360,968.40 and 107,457.12

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Solution

The fourth proportional to 240,589.80, 360,968.40 and 107,457.12 is: 161,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,589.80 : 360,968.40 = 107,457.12 : x
  2. Step 2: Convert to fraction form
    240,589.80/360,968.40 = 107,457.12/x
  3. Step 3: Cross multiply
    240,589.80x = 360,968.40 × 107,457.12
  4. Step 4: Simplify right side
    240,589.80x = 38,788,624,675.01
  5. Step 5: Solve for x
    x = 38,788,624,675.01/240,589.80
  6. Step 6: Final answer
    x = 161,223.06

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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.