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Finding the Fourth Proportional to 302,104.32, 453,157.20 and 91,743.84

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Solution

The fourth proportional to 302,104.32, 453,157.20 and 91,743.84 is: 137,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,104.32 : 453,157.20 = 91,743.84 : x
  2. Step 2: Convert to fraction form
    302,104.32/453,157.20 = 91,743.84/x
  3. Step 3: Cross multiply
    302,104.32x = 453,157.20 × 91,743.84
  4. Step 4: Simplify right side
    302,104.32x = 41,574,381,651.65
  5. Step 5: Solve for x
    x = 41,574,381,651.65/302,104.32
  6. Step 6: Final answer
    x = 137,615.98

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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.