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Finding the Fourth Proportional to 152,898.37, 228,998.37 and 72,992.55

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Solution

The fourth proportional to 152,898.37, 228,998.37 and 72,992.55 is: 109,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,898.37 : 228,998.37 = 72,992.55 : x
  2. Step 2: Convert to fraction form
    152,898.37/228,998.37 = 72,992.55/x
  3. Step 3: Cross multiply
    152,898.37x = 228,998.37 × 72,992.55
  4. Step 4: Simplify right side
    152,898.37x = 16,715,174,972.14
  5. Step 5: Solve for x
    x = 16,715,174,972.14/152,898.37
  6. Step 6: Final answer
    x = 109,322.13

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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.