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Finding the Fourth Proportional to 251,744.34, 377,617.50 and 101,987.46

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Solution

The fourth proportional to 251,744.34, 377,617.50 and 101,987.46 is: 152,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,744.34 : 377,617.50 = 101,987.46 : x
  2. Step 2: Convert to fraction form
    251,744.34/377,617.50 = 101,987.46/x
  3. Step 3: Cross multiply
    251,744.34x = 377,617.50 × 101,987.46
  4. Step 4: Simplify right side
    251,744.34x = 38,512,249,676.55
  5. Step 5: Solve for x
    x = 38,512,249,676.55/251,744.34
  6. Step 6: Final answer
    x = 152,981.59

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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.