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Finding the Fourth Proportional to 241,261.80, 361,895.30 and 72,783.58

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Solution

The fourth proportional to 241,261.80, 361,895.30 and 72,783.58 is: 109,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,261.80 : 361,895.30 = 72,783.58 : x
  2. Step 2: Convert to fraction form
    241,261.80/361,895.30 = 72,783.58/x
  3. Step 3: Cross multiply
    241,261.80x = 361,895.30 × 72,783.58
  4. Step 4: Simplify right side
    241,261.80x = 26,340,035,519.17
  5. Step 5: Solve for x
    x = 26,340,035,519.17/241,261.80
  6. Step 6: Final answer
    x = 109,176.15

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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.