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Finding the Fourth Proportional to 92,695.72, 127,910.52 and 56,887.24

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Solution

The fourth proportional to 92,695.72, 127,910.52 and 56,887.24 is: 78,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,695.72 : 127,910.52 = 56,887.24 : x
  2. Step 2: Convert to fraction form
    92,695.72/127,910.52 = 56,887.24/x
  3. Step 3: Cross multiply
    92,695.72x = 127,910.52 × 56,887.24
  4. Step 4: Simplify right side
    92,695.72x = 7,276,476,449.76
  5. Step 5: Solve for x
    x = 7,276,476,449.76/92,695.72
  6. Step 6: Final answer
    x = 78,498.52

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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.