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Finding the Fourth Proportional to 92,513.64, 127,671.91 and 56,696.73

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Solution

The fourth proportional to 92,513.64, 127,671.91 and 56,696.73 is: 78,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.64 : 127,671.91 = 56,696.73 : x
  2. Step 2: Convert to fraction form
    92,513.64/127,671.91 = 56,696.73/x
  3. Step 3: Cross multiply
    92,513.64x = 127,671.91 × 56,696.73
  4. Step 4: Simplify right side
    92,513.64x = 7,238,579,809.85
  5. Step 5: Solve for x
    x = 7,238,579,809.85/92,513.64
  6. Step 6: Final answer
    x = 78,243.38

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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.