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Finding the Fourth Proportional to 144,796.26, 216,898.72 and 74,527.95

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Solution

The fourth proportional to 144,796.26, 216,898.72 and 74,527.95 is: 111,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,796.26 : 216,898.72 = 74,527.95 : x
  2. Step 2: Convert to fraction form
    144,796.26/216,898.72 = 74,527.95/x
  3. Step 3: Cross multiply
    144,796.26x = 216,898.72 × 74,527.95
  4. Step 4: Simplify right side
    144,796.26x = 16,165,016,959.22
  5. Step 5: Solve for x
    x = 16,165,016,959.22/144,796.26
  6. Step 6: Final answer
    x = 111,639.74

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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.