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Finding the Fourth Proportional to 119,282.37, 164,612.70 and 65,568.75

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Solution

The fourth proportional to 119,282.37, 164,612.70 and 65,568.75 is: 90,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,282.37 : 164,612.70 = 65,568.75 : x
  2. Step 2: Convert to fraction form
    119,282.37/164,612.70 = 65,568.75/x
  3. Step 3: Cross multiply
    119,282.37x = 164,612.70 × 65,568.75
  4. Step 4: Simplify right side
    119,282.37x = 10,793,448,973.13
  5. Step 5: Solve for x
    x = 10,793,448,973.13/119,282.37
  6. Step 6: Final answer
    x = 90,486.54

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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.