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Finding the Fourth Proportional to 143,236.88, 214,866.84 and 48,466.16

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Solution

The fourth proportional to 143,236.88, 214,866.84 and 48,466.16 is: 72,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,236.88 : 214,866.84 = 48,466.16 : x
  2. Step 2: Convert to fraction form
    143,236.88/214,866.84 = 48,466.16/x
  3. Step 3: Cross multiply
    143,236.88x = 214,866.84 × 48,466.16
  4. Step 4: Simplify right side
    143,236.88x = 10,413,770,646.13
  5. Step 5: Solve for x
    x = 10,413,770,646.13/143,236.88
  6. Step 6: Final answer
    x = 72,703.14

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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.