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Finding the Fourth Proportional to 152,602.33, 228,951.14 and 91,879.17

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Solution

The fourth proportional to 152,602.33, 228,951.14 and 91,879.17 is: 137,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,602.33 : 228,951.14 = 91,879.17 : x
  2. Step 2: Convert to fraction form
    152,602.33/228,951.14 = 91,879.17/x
  3. Step 3: Cross multiply
    152,602.33x = 228,951.14 × 91,879.17
  4. Step 4: Simplify right side
    152,602.33x = 21,035,840,170.50
  5. Step 5: Solve for x
    x = 21,035,840,170.50/152,602.33
  6. Step 6: Final answer
    x = 137,847.44

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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.