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Finding the Fourth Proportional to 268,750.42, 403,090.80 and 110,957.56

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Solution

The fourth proportional to 268,750.42, 403,090.80 and 110,957.56 is: 166,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,750.42 : 403,090.80 = 110,957.56 : x
  2. Step 2: Convert to fraction form
    268,750.42/403,090.80 = 110,957.56/x
  3. Step 3: Cross multiply
    268,750.42x = 403,090.80 × 110,957.56
  4. Step 4: Simplify right side
    268,750.42x = 44,725,971,626.45
  5. Step 5: Solve for x
    x = 44,725,971,626.45/268,750.42
  6. Step 6: Final answer
    x = 166,421.96

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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.