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Finding the Fourth Proportional to 179,352.60, 268,931.70 and 74,052.60

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Solution

The fourth proportional to 179,352.60, 268,931.70 and 74,052.60 is: 111,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,352.60 : 268,931.70 = 74,052.60 : x
  2. Step 2: Convert to fraction form
    179,352.60/268,931.70 = 74,052.60/x
  3. Step 3: Cross multiply
    179,352.60x = 268,931.70 × 74,052.60
  4. Step 4: Simplify right side
    179,352.60x = 19,915,091,607.42
  5. Step 5: Solve for x
    x = 19,915,091,607.42/179,352.60
  6. Step 6: Final answer
    x = 111,038.77

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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.