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Finding the Fourth Proportional to 150,392.84, 225,590.54 and 120,332.59

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Solution

The fourth proportional to 150,392.84, 225,590.54 and 120,332.59 is: 180,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,392.84 : 225,590.54 = 120,332.59 : x
  2. Step 2: Convert to fraction form
    150,392.84/225,590.54 = 120,332.59/x
  3. Step 3: Cross multiply
    150,392.84x = 225,590.54 × 120,332.59
  4. Step 4: Simplify right side
    150,392.84x = 27,145,893,957.70
  5. Step 5: Solve for x
    x = 27,145,893,957.70/150,392.84
  6. Step 6: Final answer
    x = 180,499.91

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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.