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Finding the Fourth Proportional to 302,688.52, 453,959.66 and 134,115.64

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Solution

The fourth proportional to 302,688.52, 453,959.66 and 134,115.64 is: 201,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,688.52 : 453,959.66 = 134,115.64 : x
  2. Step 2: Convert to fraction form
    302,688.52/453,959.66 = 134,115.64/x
  3. Step 3: Cross multiply
    302,688.52x = 453,959.66 × 134,115.64
  4. Step 4: Simplify right side
    302,688.52x = 60,883,090,335.08
  5. Step 5: Solve for x
    x = 60,883,090,335.08/302,688.52
  6. Step 6: Final answer
    x = 201,141.06

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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.