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Finding the Fourth Proportional to 104,473.38, 156,772.32 and 37,918.70

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Solution

The fourth proportional to 104,473.38, 156,772.32 and 37,918.70 is: 56,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,473.38 : 156,772.32 = 37,918.70 : x
  2. Step 2: Convert to fraction form
    104,473.38/156,772.32 = 37,918.70/x
  3. Step 3: Cross multiply
    104,473.38x = 156,772.32 × 37,918.70
  4. Step 4: Simplify right side
    104,473.38x = 5,944,602,570.38
  5. Step 5: Solve for x
    x = 5,944,602,570.38/104,473.38
  6. Step 6: Final answer
    x = 56,900.64

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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.