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Finding the Fourth Proportional to 119,622.58, 179,461.66 and 40,737.48

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Solution

The fourth proportional to 119,622.58, 179,461.66 and 40,737.48 is: 61,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,622.58 : 179,461.66 = 40,737.48 : x
  2. Step 2: Convert to fraction form
    119,622.58/179,461.66 = 40,737.48/x
  3. Step 3: Cross multiply
    119,622.58x = 179,461.66 × 40,737.48
  4. Step 4: Simplify right side
    119,622.58x = 7,310,815,785.02
  5. Step 5: Solve for x
    x = 7,310,815,785.02/119,622.58
  6. Step 6: Final answer
    x = 61,115.68

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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.