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Finding the Fourth Proportional to 143,200.65, 214,746.30 and 43,327.65

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Solution

The fourth proportional to 143,200.65, 214,746.30 and 43,327.65 is: 64,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,200.65 : 214,746.30 = 43,327.65 : x
  2. Step 2: Convert to fraction form
    143,200.65/214,746.30 = 43,327.65/x
  3. Step 3: Cross multiply
    143,200.65x = 214,746.30 × 43,327.65
  4. Step 4: Simplify right side
    143,200.65x = 9,304,452,525.20
  5. Step 5: Solve for x
    x = 9,304,452,525.20/143,200.65
  6. Step 6: Final answer
    x = 64,974.93

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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.