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Finding the Fourth Proportional to 230,633.92, 318,267.59 and 135,204.18

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Solution

The fourth proportional to 230,633.92, 318,267.59 and 135,204.18 is: 186,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,633.92 : 318,267.59 = 135,204.18 : x
  2. Step 2: Convert to fraction form
    230,633.92/318,267.59 = 135,204.18/x
  3. Step 3: Cross multiply
    230,633.92x = 318,267.59 × 135,204.18
  4. Step 4: Simplify right side
    230,633.92x = 43,031,108,526.53
  5. Step 5: Solve for x
    x = 43,031,108,526.53/230,633.92
  6. Step 6: Final answer
    x = 186,577.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.