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Finding the Fourth Proportional to 61,901.97, 92,980.94 and 50,068.95

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Solution

The fourth proportional to 61,901.97, 92,980.94 and 50,068.95 is: 75,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,901.97 : 92,980.94 = 50,068.95 : x
  2. Step 2: Convert to fraction form
    61,901.97/92,980.94 = 50,068.95/x
  3. Step 3: Cross multiply
    61,901.97x = 92,980.94 × 50,068.95
  4. Step 4: Simplify right side
    61,901.97x = 4,655,457,785.47
  5. Step 5: Solve for x
    x = 4,655,457,785.47/61,901.97
  6. Step 6: Final answer
    x = 75,206.94

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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.