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Finding the Fourth Proportional to 179,158.64, 268,836.98 and 73,953

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Solution

The fourth proportional to 179,158.64, 268,836.98 and 73,953 is: 110,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,158.64 : 268,836.98 = 73,953 : x
  2. Step 2: Convert to fraction form
    179,158.64/268,836.98 = 73,953/x
  3. Step 3: Cross multiply
    179,158.64x = 268,836.98 × 73,953
  4. Step 4: Simplify right side
    179,158.64x = 19,881,300,812.18
  5. Step 5: Solve for x
    x = 19,881,300,812.18/179,158.64
  6. Step 6: Final answer
    x = 110,970.37

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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.