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Finding the Fourth Proportional to 267,762.08, 401,656.48 and 87,831.52

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Solution

The fourth proportional to 267,762.08, 401,656.48 and 87,831.52 is: 131,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,762.08 : 401,656.48 = 87,831.52 : x
  2. Step 2: Convert to fraction form
    267,762.08/401,656.48 = 87,831.52/x
  3. Step 3: Cross multiply
    267,762.08x = 401,656.48 × 87,831.52
  4. Step 4: Simplify right side
    267,762.08x = 35,278,099,156.25
  5. Step 5: Solve for x
    x = 35,278,099,156.25/267,762.08
  6. Step 6: Final answer
    x = 131,751.66

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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.