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Finding the Fourth Proportional to 302,366.72, 453,394.56 and 136,064

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Solution

The fourth proportional to 302,366.72, 453,394.56 and 136,064 is: 204,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,366.72 : 453,394.56 = 136,064 : x
  2. Step 2: Convert to fraction form
    302,366.72/453,394.56 = 136,064/x
  3. Step 3: Cross multiply
    302,366.72x = 453,394.56 × 136,064
  4. Step 4: Simplify right side
    302,366.72x = 61,690,677,411.84
  5. Step 5: Solve for x
    x = 61,690,677,411.84/302,366.72
  6. Step 6: Final answer
    x = 204,026.02

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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.