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Finding the Fourth Proportional to 214,965.34, 322,448.76 and 65,206.92

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Solution

The fourth proportional to 214,965.34, 322,448.76 and 65,206.92 is: 97,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,965.34 : 322,448.76 = 65,206.92 : x
  2. Step 2: Convert to fraction form
    214,965.34/322,448.76 = 65,206.92/x
  3. Step 3: Cross multiply
    214,965.34x = 322,448.76 × 65,206.92
  4. Step 4: Simplify right side
    214,965.34x = 21,025,890,497.42
  5. Step 5: Solve for x
    x = 21,025,890,497.42/214,965.34
  6. Step 6: Final answer
    x = 97,810.61

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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.