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Finding the Fourth Proportional to 192,668.20, 289,023.90 and 59,547.40

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Solution

The fourth proportional to 192,668.20, 289,023.90 and 59,547.40 is: 89,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,668.20 : 289,023.90 = 59,547.40 : x
  2. Step 2: Convert to fraction form
    192,668.20/289,023.90 = 59,547.40/x
  3. Step 3: Cross multiply
    192,668.20x = 289,023.90 × 59,547.40
  4. Step 4: Simplify right side
    192,668.20x = 17,210,621,782.86
  5. Step 5: Solve for x
    x = 17,210,621,782.86/192,668.20
  6. Step 6: Final answer
    x = 89,327.78

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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.