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Finding the Fourth Proportional to 119,168.66, 164,454.09 and 65,454.92

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Solution

The fourth proportional to 119,168.66, 164,454.09 and 65,454.92 is: 90,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,168.66 : 164,454.09 = 65,454.92 : x
  2. Step 2: Convert to fraction form
    119,168.66/164,454.09 = 65,454.92/x
  3. Step 3: Cross multiply
    119,168.66x = 164,454.09 × 65,454.92
  4. Step 4: Simplify right side
    119,168.66x = 10,764,328,482.35
  5. Step 5: Solve for x
    x = 10,764,328,482.35/119,168.66
  6. Step 6: Final answer
    x = 90,328.52

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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.