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Finding the Fourth Proportional to 251,726.33, 377,590.51 and 101,969.48

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Solution

The fourth proportional to 251,726.33, 377,590.51 and 101,969.48 is: 152,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,726.33 : 377,590.51 = 101,969.48 : x
  2. Step 2: Convert to fraction form
    251,726.33/377,590.51 = 101,969.48/x
  3. Step 3: Cross multiply
    251,726.33x = 377,590.51 × 101,969.48
  4. Step 4: Simplify right side
    251,726.33x = 38,502,709,029.07
  5. Step 5: Solve for x
    x = 38,502,709,029.07/251,726.33
  6. Step 6: Final answer
    x = 152,954.63

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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.