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Finding the Fourth Proportional to 152,611.20, 228,913.20 and 41,803.20

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Solution

The fourth proportional to 152,611.20, 228,913.20 and 41,803.20 is: 62,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,611.20 : 228,913.20 = 41,803.20 : x
  2. Step 2: Convert to fraction form
    152,611.20/228,913.20 = 41,803.20/x
  3. Step 3: Cross multiply
    152,611.20x = 228,913.20 × 41,803.20
  4. Step 4: Simplify right side
    152,611.20x = 9,569,304,282.24
  5. Step 5: Solve for x
    x = 9,569,304,282.24/152,611.20
  6. Step 6: Final answer
    x = 62,703.81

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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.