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Finding the Fourth Proportional to 219,319.05, 329,009.96 and 67,528.97

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Solution

The fourth proportional to 219,319.05, 329,009.96 and 67,528.97 is: 101,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,319.05 : 329,009.96 = 67,528.97 : x
  2. Step 2: Convert to fraction form
    219,319.05/329,009.96 = 67,528.97/x
  3. Step 3: Cross multiply
    219,319.05x = 329,009.96 × 67,528.97
  4. Step 4: Simplify right side
    219,319.05x = 22,217,704,203.42
  5. Step 5: Solve for x
    x = 22,217,704,203.42/219,319.05
  6. Step 6: Final answer
    x = 101,303.12

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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.