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Finding the Fourth Proportional to 152,199.71, 228,351.96 and 68,017.98

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Solution

The fourth proportional to 152,199.71, 228,351.96 and 68,017.98 is: 102,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,199.71 : 228,351.96 = 68,017.98 : x
  2. Step 2: Convert to fraction form
    152,199.71/228,351.96 = 68,017.98/x
  3. Step 3: Cross multiply
    152,199.71x = 228,351.96 × 68,017.98
  4. Step 4: Simplify right side
    152,199.71x = 15,532,038,620.08
  5. Step 5: Solve for x
    x = 15,532,038,620.08/152,199.71
  6. Step 6: Final answer
    x = 102,050.38

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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.