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Finding the Fourth Proportional to 302,610.10, 453,915.15 and 134,211.10

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Solution

The fourth proportional to 302,610.10, 453,915.15 and 134,211.10 is: 201,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,610.10 : 453,915.15 = 134,211.10 : x
  2. Step 2: Convert to fraction form
    302,610.10/453,915.15 = 134,211.10/x
  3. Step 3: Cross multiply
    302,610.10x = 453,915.15 × 134,211.10
  4. Step 4: Simplify right side
    302,610.10x = 60,920,451,588.17
  5. Step 5: Solve for x
    x = 60,920,451,588.17/302,610.10
  6. Step 6: Final answer
    x = 201,316.65

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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.