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Finding the Fourth Proportional to 270,373.50, 405,803.99 and 144,118.89

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Solution

The fourth proportional to 270,373.50, 405,803.99 and 144,118.89 is: 216,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,373.50 : 405,803.99 = 144,118.89 : x
  2. Step 2: Convert to fraction form
    270,373.50/405,803.99 = 144,118.89/x
  3. Step 3: Cross multiply
    270,373.50x = 405,803.99 × 144,118.89
  4. Step 4: Simplify right side
    270,373.50x = 58,484,020,956.67
  5. Step 5: Solve for x
    x = 58,484,020,956.67/270,373.50
  6. Step 6: Final answer
    x = 216,308.26

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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.