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Finding the Fourth Proportional to 182,859.20, 274,288.80 and 89,547.20

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Solution

The fourth proportional to 182,859.20, 274,288.80 and 89,547.20 is: 134,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,859.20 : 274,288.80 = 89,547.20 : x
  2. Step 2: Convert to fraction form
    182,859.20/274,288.80 = 89,547.20/x
  3. Step 3: Cross multiply
    182,859.20x = 274,288.80 × 89,547.20
  4. Step 4: Simplify right side
    182,859.20x = 24,561,794,031.36
  5. Step 5: Solve for x
    x = 24,561,794,031.36/182,859.20
  6. Step 6: Final answer
    x = 134,320.80

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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.