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Finding the Fourth Proportional to 220,791.42, 330,957.09 and 102,365.10

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Solution

The fourth proportional to 220,791.42, 330,957.09 and 102,365.10 is: 153,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,791.42 : 330,957.09 = 102,365.10 : x
  2. Step 2: Convert to fraction form
    220,791.42/330,957.09 = 102,365.10/x
  3. Step 3: Cross multiply
    220,791.42x = 330,957.09 × 102,365.10
  4. Step 4: Simplify right side
    220,791.42x = 33,878,455,613.56
  5. Step 5: Solve for x
    x = 33,878,455,613.56/220,791.42
  6. Step 6: Final answer
    x = 153,441.00

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1.5x scale

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.