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Finding the Fourth Proportional to 150,830.52, 208,242.81 and 134,669.94

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Solution

The fourth proportional to 150,830.52, 208,242.81 and 134,669.94 is: 185,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,830.52 : 208,242.81 = 134,669.94 : x
  2. Step 2: Convert to fraction form
    150,830.52/208,242.81 = 134,669.94/x
  3. Step 3: Cross multiply
    150,830.52x = 208,242.81 × 134,669.94
  4. Step 4: Simplify right side
    150,830.52x = 28,044,046,728.13
  5. Step 5: Solve for x
    x = 28,044,046,728.13/150,830.52
  6. Step 6: Final answer
    x = 185,930.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.