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Finding the Fourth Proportional to 302,513.68, 453,822.36 and 92,112.40

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Solution

The fourth proportional to 302,513.68, 453,822.36 and 92,112.40 is: 138,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,513.68 : 453,822.36 = 92,112.40 : x
  2. Step 2: Convert to fraction form
    302,513.68/453,822.36 = 92,112.40/x
  3. Step 3: Cross multiply
    302,513.68x = 453,822.36 × 92,112.40
  4. Step 4: Simplify right side
    302,513.68x = 41,802,666,753.26
  5. Step 5: Solve for x
    x = 41,802,666,753.26/302,513.68
  6. Step 6: Final answer
    x = 138,184.38

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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.