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Finding the Fourth Proportional to 240,023, 331,231.74 and 134,039

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Solution

The fourth proportional to 240,023, 331,231.74 and 134,039 is: 184,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,023 : 331,231.74 = 134,039 : x
  2. Step 2: Convert to fraction form
    240,023/331,231.74 = 134,039/x
  3. Step 3: Cross multiply
    240,023x = 331,231.74 × 134,039
  4. Step 4: Simplify right side
    240,023x = 44,397,971,197.86
  5. Step 5: Solve for x
    x = 44,397,971,197.86/240,023
  6. Step 6: Final answer
    x = 184,973.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.