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Finding the Fourth Proportional to 119,550.09, 164,980.20 and 65,837.04

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Solution

The fourth proportional to 119,550.09, 164,980.20 and 65,837.04 is: 90,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,550.09 : 164,980.20 = 65,837.04 : x
  2. Step 2: Convert to fraction form
    119,550.09/164,980.20 = 65,837.04/x
  3. Step 3: Cross multiply
    119,550.09x = 164,980.20 × 65,837.04
  4. Step 4: Simplify right side
    119,550.09x = 10,861,808,026.61
  5. Step 5: Solve for x
    x = 10,861,808,026.61/119,550.09
  6. Step 6: Final answer
    x = 90,855.71

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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.