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Finding the Fourth Proportional to 174,737.21, 261,721.62 and 144,407.70

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Solution

The fourth proportional to 174,737.21, 261,721.62 and 144,407.70 is: 216,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,737.21 : 261,721.62 = 144,407.70 : x
  2. Step 2: Convert to fraction form
    174,737.21/261,721.62 = 144,407.70/x
  3. Step 3: Cross multiply
    174,737.21x = 261,721.62 × 144,407.70
  4. Step 4: Simplify right side
    174,737.21x = 37,794,617,184.47
  5. Step 5: Solve for x
    x = 37,794,617,184.47/174,737.21
  6. Step 6: Final answer
    x = 216,294.05

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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.