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Finding the Fourth Proportional to 92,512.64, 127,670.53 and 56,695.73

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Solution

The fourth proportional to 92,512.64, 127,670.53 and 56,695.73 is: 78,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,512.64 : 127,670.53 = 56,695.73 : x
  2. Step 2: Convert to fraction form
    92,512.64/127,670.53 = 56,695.73/x
  3. Step 3: Cross multiply
    92,512.64x = 127,670.53 × 56,695.73
  4. Step 4: Simplify right side
    92,512.64x = 7,238,373,117.74
  5. Step 5: Solve for x
    x = 7,238,373,117.74/92,512.64
  6. Step 6: Final answer
    x = 78,241.99

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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.