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Finding the Fourth Proportional to 302,685.52, 453,955.16 and 134,112.64

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Solution

The fourth proportional to 302,685.52, 453,955.16 and 134,112.64 is: 201,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,685.52 : 453,955.16 = 134,112.64 : x
  2. Step 2: Convert to fraction form
    302,685.52/453,955.16 = 134,112.64/x
  3. Step 3: Cross multiply
    302,685.52x = 453,955.16 × 134,112.64
  4. Step 4: Simplify right side
    302,685.52x = 60,881,124,949.22
  5. Step 5: Solve for x
    x = 60,881,124,949.22/302,685.52
  6. Step 6: Final answer
    x = 201,136.56

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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.