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Finding the Fourth Proportional to 119,322.75, 164,661.18 and 65,607.39

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Solution

The fourth proportional to 119,322.75, 164,661.18 and 65,607.39 is: 90,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,322.75 : 164,661.18 = 65,607.39 : x
  2. Step 2: Convert to fraction form
    119,322.75/164,661.18 = 65,607.39/x
  3. Step 3: Cross multiply
    119,322.75x = 164,661.18 × 65,607.39
  4. Step 4: Simplify right side
    119,322.75x = 10,802,990,254.12
  5. Step 5: Solve for x
    x = 10,802,990,254.12/119,322.75
  6. Step 6: Final answer
    x = 90,535.88

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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.