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Finding the Fourth Proportional to 119,152.65, 178,728.36 and 55,972.44

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Solution

The fourth proportional to 119,152.65, 178,728.36 and 55,972.44 is: 83,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,152.65 : 178,728.36 = 55,972.44 : x
  2. Step 2: Convert to fraction form
    119,152.65/178,728.36 = 55,972.44/x
  3. Step 3: Cross multiply
    119,152.65x = 178,728.36 × 55,972.44
  4. Step 4: Simplify right side
    119,152.65x = 10,003,862,406.40
  5. Step 5: Solve for x
    x = 10,003,862,406.40/119,152.65
  6. Step 6: Final answer
    x = 83,958.37

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1.5x scale

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.