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Finding the Fourth Proportional to 119,052.56, 178,578.84 and 56,533.52

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Solution

The fourth proportional to 119,052.56, 178,578.84 and 56,533.52 is: 84,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,052.56 : 178,578.84 = 56,533.52 : x
  2. Step 2: Convert to fraction form
    119,052.56/178,578.84 = 56,533.52/x
  3. Step 3: Cross multiply
    119,052.56x = 178,578.84 × 56,533.52
  4. Step 4: Simplify right side
    119,052.56x = 10,095,690,422.72
  5. Step 5: Solve for x
    x = 10,095,690,422.72/119,052.56
  6. Step 6: Final answer
    x = 84,800.28

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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.