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Finding the Fourth Proportional to 270,401.30, 405,315.92 and 101,848.68

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Solution

The fourth proportional to 270,401.30, 405,315.92 and 101,848.68 is: 152,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,401.30 : 405,315.92 = 101,848.68 : x
  2. Step 2: Convert to fraction form
    270,401.30/405,315.92 = 101,848.68/x
  3. Step 3: Cross multiply
    270,401.30x = 405,315.92 × 101,848.68
  4. Step 4: Simplify right side
    270,401.30x = 41,280,890,925.74
  5. Step 5: Solve for x
    x = 41,280,890,925.74/270,401.30
  6. Step 6: Final answer
    x = 152,665.29

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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.