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Finding the Fourth Proportional to 302,009.29, 453,363.86 and 162,041.29

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Solution

The fourth proportional to 302,009.29, 453,363.86 and 162,041.29 is: 243,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,009.29 : 453,363.86 = 162,041.29 : x
  2. Step 2: Convert to fraction form
    302,009.29/453,363.86 = 162,041.29/x
  3. Step 3: Cross multiply
    302,009.29x = 453,363.86 × 162,041.29
  4. Step 4: Simplify right side
    302,009.29x = 73,463,664,713.78
  5. Step 5: Solve for x
    x = 73,463,664,713.78/302,009.29
  6. Step 6: Final answer
    x = 243,249.69

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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.