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Finding the Fourth Proportional to 219,596.16, 329,375.34 and 69,840.12

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Solution

The fourth proportional to 219,596.16, 329,375.34 and 69,840.12 is: 104,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,596.16 : 329,375.34 = 69,840.12 : x
  2. Step 2: Convert to fraction form
    219,596.16/329,375.34 = 69,840.12/x
  3. Step 3: Cross multiply
    219,596.16x = 329,375.34 × 69,840.12
  4. Step 4: Simplify right side
    219,596.16x = 23,003,613,270.64
  5. Step 5: Solve for x
    x = 23,003,613,270.64/219,596.16
  6. Step 6: Final answer
    x = 104,754.17

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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.