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Finding the Fourth Proportional to 152,091.76, 228,009.64 and 68,963.44

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Solution

The fourth proportional to 152,091.76, 228,009.64 and 68,963.44 is: 103,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,091.76 : 228,009.64 = 68,963.44 : x
  2. Step 2: Convert to fraction form
    152,091.76/228,009.64 = 68,963.44/x
  3. Step 3: Cross multiply
    152,091.76x = 228,009.64 × 68,963.44
  4. Step 4: Simplify right side
    152,091.76x = 15,724,329,127.56
  5. Step 5: Solve for x
    x = 15,724,329,127.56/152,091.76
  6. Step 6: Final answer
    x = 103,387.12

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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.