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Finding the Fourth Proportional to 302,438.87, 453,723.92 and 92,071.34

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Solution

The fourth proportional to 302,438.87, 453,723.92 and 92,071.34 is: 138,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,438.87 : 453,723.92 = 92,071.34 : x
  2. Step 2: Convert to fraction form
    302,438.87/453,723.92 = 92,071.34/x
  3. Step 3: Cross multiply
    302,438.87x = 453,723.92 × 92,071.34
  4. Step 4: Simplify right side
    302,438.87x = 41,774,969,304.45
  5. Step 5: Solve for x
    x = 41,774,969,304.45/302,438.87
  6. Step 6: Final answer
    x = 138,126.99

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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.