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Finding the Fourth Proportional to 92,704.41, 127,931.37 and 52,419.61

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Solution

The fourth proportional to 92,704.41, 127,931.37 and 52,419.61 is: 72,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,704.41 : 127,931.37 = 52,419.61 : x
  2. Step 2: Convert to fraction form
    92,704.41/127,931.37 = 52,419.61/x
  3. Step 3: Cross multiply
    92,704.41x = 127,931.37 × 52,419.61
  4. Step 4: Simplify right side
    92,704.41x = 6,706,112,208.18
  5. Step 5: Solve for x
    x = 6,706,112,208.18/92,704.41
  6. Step 6: Final answer
    x = 72,338.66

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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.