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Finding the Fourth Proportional to 143,402.40, 214,909.20 and 95,882.40

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Solution

The fourth proportional to 143,402.40, 214,909.20 and 95,882.40 is: 143,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,402.40 : 214,909.20 = 95,882.40 : x
  2. Step 2: Convert to fraction form
    143,402.40/214,909.20 = 95,882.40/x
  3. Step 3: Cross multiply
    143,402.40x = 214,909.20 × 95,882.40
  4. Step 4: Simplify right side
    143,402.40x = 20,606,009,878.08
  5. Step 5: Solve for x
    x = 20,606,009,878.08/143,402.40
  6. Step 6: Final answer
    x = 143,693.62

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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.