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Finding the Fourth Proportional to 302,108.13, 453,065.44 and 99,658.92

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Solution

The fourth proportional to 302,108.13, 453,065.44 and 99,658.92 is: 149,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,108.13 : 453,065.44 = 99,658.92 : x
  2. Step 2: Convert to fraction form
    302,108.13/453,065.44 = 99,658.92/x
  3. Step 3: Cross multiply
    302,108.13x = 453,065.44 × 99,658.92
  4. Step 4: Simplify right side
    302,108.13x = 45,152,012,439.72
  5. Step 5: Solve for x
    x = 45,152,012,439.72/302,108.13
  6. Step 6: Final answer
    x = 149,456.46

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1.5x scale

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.