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Finding the Fourth Proportional to 223,429.83, 335,144.82 and 65,658.30

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Solution

The fourth proportional to 223,429.83, 335,144.82 and 65,658.30 is: 98,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,429.83 : 335,144.82 = 65,658.30 : x
  2. Step 2: Convert to fraction form
    223,429.83/335,144.82 = 65,658.30/x
  3. Step 3: Cross multiply
    223,429.83x = 335,144.82 × 65,658.30
  4. Step 4: Simplify right side
    223,429.83x = 22,005,038,806.71
  5. Step 5: Solve for x
    x = 22,005,038,806.71/223,429.83
  6. Step 6: Final answer
    x = 98,487.47

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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.