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Finding the Fourth Proportional to 150,141.69, 225,278.45 and 56,625.57

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Solution

The fourth proportional to 150,141.69, 225,278.45 and 56,625.57 is: 84,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,141.69 : 225,278.45 = 56,625.57 : x
  2. Step 2: Convert to fraction form
    150,141.69/225,278.45 = 56,625.57/x
  3. Step 3: Cross multiply
    150,141.69x = 225,278.45 × 56,625.57
  4. Step 4: Simplify right side
    150,141.69x = 12,756,520,356.84
  5. Step 5: Solve for x
    x = 12,756,520,356.84/150,141.69
  6. Step 6: Final answer
    x = 84,963.21

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1.5x scale

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.