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Finding the Fourth Proportional to 179,705.66, 269,479.78 and 67,307.02

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Solution

The fourth proportional to 179,705.66, 269,479.78 and 67,307.02 is: 100,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,705.66 : 269,479.78 = 67,307.02 : x
  2. Step 2: Convert to fraction form
    179,705.66/269,479.78 = 67,307.02/x
  3. Step 3: Cross multiply
    179,705.66x = 269,479.78 × 67,307.02
  4. Step 4: Simplify right side
    179,705.66x = 18,137,880,100.09
  5. Step 5: Solve for x
    x = 18,137,880,100.09/179,705.66
  6. Step 6: Final answer
    x = 100,931.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.