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Finding the Fourth Proportional to 152,697.59, 229,122.77 and 68,517.93

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Solution

The fourth proportional to 152,697.59, 229,122.77 and 68,517.93 is: 102,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,697.59 : 229,122.77 = 68,517.93 : x
  2. Step 2: Convert to fraction form
    152,697.59/229,122.77 = 68,517.93/x
  3. Step 3: Cross multiply
    152,697.59x = 229,122.77 × 68,517.93
  4. Step 4: Simplify right side
    152,697.59x = 15,699,017,916.27
  5. Step 5: Solve for x
    x = 15,699,017,916.27/152,697.59
  6. Step 6: Final answer
    x = 102,811.17

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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.