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Finding the Fourth Proportional to 251,007.63, 375,570.36 and 149,434.16

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Solution

The fourth proportional to 251,007.63, 375,570.36 and 149,434.16 is: 223,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,007.63 : 375,570.36 = 149,434.16 : x
  2. Step 2: Convert to fraction form
    251,007.63/375,570.36 = 149,434.16/x
  3. Step 3: Cross multiply
    251,007.63x = 375,570.36 × 149,434.16
  4. Step 4: Simplify right side
    251,007.63x = 56,123,039,389.65
  5. Step 5: Solve for x
    x = 56,123,039,389.65/251,007.63
  6. Step 6: Final answer
    x = 223,590.97

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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.