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Finding the Fourth Proportional to 119,422.08, 164,806.44 and 65,711.04

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Solution

The fourth proportional to 119,422.08, 164,806.44 and 65,711.04 is: 90,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,422.08 : 164,806.44 = 65,711.04 : x
  2. Step 2: Convert to fraction form
    119,422.08/164,806.44 = 65,711.04/x
  3. Step 3: Cross multiply
    119,422.08x = 164,806.44 × 65,711.04
  4. Step 4: Simplify right side
    119,422.08x = 10,829,602,571.10
  5. Step 5: Solve for x
    x = 10,829,602,571.10/119,422.08
  6. Step 6: Final answer
    x = 90,683.42

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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.