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Finding the Fourth Proportional to 174,773.42, 261,596.28 and 90,417.42

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Solution

The fourth proportional to 174,773.42, 261,596.28 and 90,417.42 is: 135,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,773.42 : 261,596.28 = 90,417.42 : x
  2. Step 2: Convert to fraction form
    174,773.42/261,596.28 = 90,417.42/x
  3. Step 3: Cross multiply
    174,773.42x = 261,596.28 × 90,417.42
  4. Step 4: Simplify right side
    174,773.42x = 23,652,860,719.20
  5. Step 5: Solve for x
    x = 23,652,860,719.20/174,773.42
  6. Step 6: Final answer
    x = 135,334.43

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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.