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Finding the Fourth Proportional to 143,403.40, 214,910.70 and 95,883.40

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Solution

The fourth proportional to 143,403.40, 214,910.70 and 95,883.40 is: 143,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,403.40 : 214,910.70 = 95,883.40 : x
  2. Step 2: Convert to fraction form
    143,403.40/214,910.70 = 95,883.40/x
  3. Step 3: Cross multiply
    143,403.40x = 214,910.70 × 95,883.40
  4. Step 4: Simplify right side
    143,403.40x = 20,606,368,612.38
  5. Step 5: Solve for x
    x = 20,606,368,612.38/143,403.40
  6. Step 6: Final answer
    x = 143,695.12

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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.