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Finding the Fourth Proportional to 223,498.20, 335,214.90 and 65,710.20

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Solution

The fourth proportional to 223,498.20, 335,214.90 and 65,710.20 is: 98,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,498.20 : 335,214.90 = 65,710.20 : x
  2. Step 2: Convert to fraction form
    223,498.20/335,214.90 = 65,710.20/x
  3. Step 3: Cross multiply
    223,498.20x = 335,214.90 × 65,710.20
  4. Step 4: Simplify right side
    223,498.20x = 22,027,038,121.98
  5. Step 5: Solve for x
    x = 22,027,038,121.98/223,498.20
  6. Step 6: Final answer
    x = 98,555.77

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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.