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Finding the Fourth Proportional to 118,252.80, 177,353.28 and 34,012.80

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Solution

The fourth proportional to 118,252.80, 177,353.28 and 34,012.80 is: 51,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.80 : 177,353.28 = 34,012.80 : x
  2. Step 2: Convert to fraction form
    118,252.80/177,353.28 = 34,012.80/x
  3. Step 3: Cross multiply
    118,252.80x = 177,353.28 × 34,012.80
  4. Step 4: Simplify right side
    118,252.80x = 6,032,281,641.98
  5. Step 5: Solve for x
    x = 6,032,281,641.98/118,252.80
  6. Step 6: Final answer
    x = 51,011.74

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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.