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Finding the Fourth Proportional to 251,950.32, 347,736.78 and 144,555.93

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Solution

The fourth proportional to 251,950.32, 347,736.78 and 144,555.93 is: 199,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,950.32 : 347,736.78 = 144,555.93 : x
  2. Step 2: Convert to fraction form
    251,950.32/347,736.78 = 144,555.93/x
  3. Step 3: Cross multiply
    251,950.32x = 347,736.78 × 144,555.93
  4. Step 4: Simplify right side
    251,950.32x = 50,267,413,628.11
  5. Step 5: Solve for x
    x = 50,267,413,628.11/251,950.32
  6. Step 6: Final answer
    x = 199,513.20

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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.