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Finding the Fourth Proportional to 142,882.63, 214,347.63 and 48,120.83

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Solution

The fourth proportional to 142,882.63, 214,347.63 and 48,120.83 is: 72,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,882.63 : 214,347.63 = 48,120.83 : x
  2. Step 2: Convert to fraction form
    142,882.63/214,347.63 = 48,120.83/x
  3. Step 3: Cross multiply
    142,882.63x = 214,347.63 × 48,120.83
  4. Step 4: Simplify right side
    142,882.63x = 10,314,585,776.65
  5. Step 5: Solve for x
    x = 10,314,585,776.65/142,882.63
  6. Step 6: Final answer
    x = 72,189.22

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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.