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Finding the Fourth Proportional to 302,502.30, 453,559.05 and 125,079.90

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Solution

The fourth proportional to 302,502.30, 453,559.05 and 125,079.90 is: 187,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,502.30 : 453,559.05 = 125,079.90 : x
  2. Step 2: Convert to fraction form
    302,502.30/453,559.05 = 125,079.90/x
  3. Step 3: Cross multiply
    302,502.30x = 453,559.05 × 125,079.90
  4. Step 4: Simplify right side
    302,502.30x = 56,731,120,618.10
  5. Step 5: Solve for x
    x = 56,731,120,618.10/302,502.30
  6. Step 6: Final answer
    x = 187,539.47

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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.