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Finding the Fourth Proportional to 119,511.66, 164,928.76 and 65,797.72

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Solution

The fourth proportional to 119,511.66, 164,928.76 and 65,797.72 is: 90,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,511.66 : 164,928.76 = 65,797.72 : x
  2. Step 2: Convert to fraction form
    119,511.66/164,928.76 = 65,797.72/x
  3. Step 3: Cross multiply
    119,511.66x = 164,928.76 × 65,797.72
  4. Step 4: Simplify right side
    119,511.66x = 10,851,936,370.43
  5. Step 5: Solve for x
    x = 10,851,936,370.43/119,511.66
  6. Step 6: Final answer
    x = 90,802.32

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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.