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Finding the Fourth Proportional to 215,433.17, 322,999.86 and 95,424.98

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Solution

The fourth proportional to 215,433.17, 322,999.86 and 95,424.98 is: 143,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,433.17 : 322,999.86 = 95,424.98 : x
  2. Step 2: Convert to fraction form
    215,433.17/322,999.86 = 95,424.98/x
  3. Step 3: Cross multiply
    215,433.17x = 322,999.86 × 95,424.98
  4. Step 4: Simplify right side
    215,433.17x = 30,822,255,180.50
  5. Step 5: Solve for x
    x = 30,822,255,180.50/215,433.17
  6. Step 6: Final answer
    x = 143,071.07

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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.