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Finding the Fourth Proportional to 119,049.02, 164,287.17 and 65,334.92

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Solution

The fourth proportional to 119,049.02, 164,287.17 and 65,334.92 is: 90,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,049.02 : 164,287.17 = 65,334.92 : x
  2. Step 2: Convert to fraction form
    119,049.02/164,287.17 = 65,334.92/x
  3. Step 3: Cross multiply
    119,049.02x = 164,287.17 × 65,334.92
  4. Step 4: Simplify right side
    119,049.02x = 10,733,689,108.98
  5. Step 5: Solve for x
    x = 10,733,689,108.98/119,049.02
  6. Step 6: Final answer
    x = 90,161.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.