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Finding the Fourth Proportional to 251,920.03, 377,748.83 and 94,018.63

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Solution

The fourth proportional to 251,920.03, 377,748.83 and 94,018.63 is: 140,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,920.03 : 377,748.83 = 94,018.63 : x
  2. Step 2: Convert to fraction form
    251,920.03/377,748.83 = 94,018.63/x
  3. Step 3: Cross multiply
    251,920.03x = 377,748.83 × 94,018.63
  4. Step 4: Simplify right side
    251,920.03x = 35,515,428,307.55
  5. Step 5: Solve for x
    x = 35,515,428,307.55/251,920.03
  6. Step 6: Final answer
    x = 140,978.98

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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.