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Finding the Fourth Proportional to 369,273.81, 553,910.72 and 116,731.70

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Solution

The fourth proportional to 369,273.81, 553,910.72 and 116,731.70 is: 175,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,273.81 : 553,910.72 = 116,731.70 : x
  2. Step 2: Convert to fraction form
    369,273.81/553,910.72 = 116,731.70/x
  3. Step 3: Cross multiply
    369,273.81x = 553,910.72 × 116,731.70
  4. Step 4: Simplify right side
    369,273.81x = 64,658,936,640.61
  5. Step 5: Solve for x
    x = 64,658,936,640.61/369,273.81
  6. Step 6: Final answer
    x = 175,097.54

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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.