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Finding the Fourth Proportional to 73,790.84, 101,830.88 and 41,959.76

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Solution

The fourth proportional to 73,790.84, 101,830.88 and 41,959.76 is: 57,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,790.84 : 101,830.88 = 41,959.76 : x
  2. Step 2: Convert to fraction form
    73,790.84/101,830.88 = 41,959.76/x
  3. Step 3: Cross multiply
    73,790.84x = 101,830.88 × 41,959.76
  4. Step 4: Simplify right side
    73,790.84x = 4,272,799,285.39
  5. Step 5: Solve for x
    x = 4,272,799,285.39/73,790.84
  6. Step 6: Final answer
    x = 57,904.20

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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.