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Finding the Fourth Proportional to 440,160.66, 660,119.04 and 155,813.75

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Solution

The fourth proportional to 440,160.66, 660,119.04 and 155,813.75 is: 233,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,160.66 : 660,119.04 = 155,813.75 : x
  2. Step 2: Convert to fraction form
    440,160.66/660,119.04 = 155,813.75/x
  3. Step 3: Cross multiply
    440,160.66x = 660,119.04 × 155,813.75
  4. Step 4: Simplify right side
    440,160.66x = 102,855,626,134.12
  5. Step 5: Solve for x
    x = 102,855,626,134.12/440,160.66
  6. Step 6: Final answer
    x = 233,677.46

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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.