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Finding the Fourth Proportional to 251,437.76, 346,993.44 and 150,816.32

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Solution

The fourth proportional to 251,437.76, 346,993.44 and 150,816.32 is: 208,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,437.76 : 346,993.44 = 150,816.32 : x
  2. Step 2: Convert to fraction form
    251,437.76/346,993.44 = 150,816.32/x
  3. Step 3: Cross multiply
    251,437.76x = 346,993.44 × 150,816.32
  4. Step 4: Simplify right side
    251,437.76x = 52,332,273,684.94
  5. Step 5: Solve for x
    x = 52,332,273,684.94/251,437.76
  6. Step 6: Final answer
    x = 208,132.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.