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Finding the Fourth Proportional to 247,038.58, 340,781.77 and 150,272.02

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Solution

The fourth proportional to 247,038.58, 340,781.77 and 150,272.02 is: 207,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,038.58 : 340,781.77 = 150,272.02 : x
  2. Step 2: Convert to fraction form
    247,038.58/340,781.77 = 150,272.02/x
  3. Step 3: Cross multiply
    247,038.58x = 340,781.77 × 150,272.02
  4. Step 4: Simplify right side
    247,038.58x = 51,209,964,957.08
  5. Step 5: Solve for x
    x = 51,209,964,957.08/247,038.58
  6. Step 6: Final answer
    x = 207,295.41

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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.