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Finding the Fourth Proportional to 92,628.12, 127,826.28 and 52,354.92

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Solution

The fourth proportional to 92,628.12, 127,826.28 and 52,354.92 is: 72,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,628.12 : 127,826.28 = 52,354.92 : x
  2. Step 2: Convert to fraction form
    92,628.12/127,826.28 = 52,354.92/x
  3. Step 3: Cross multiply
    92,628.12x = 127,826.28 × 52,354.92
  4. Step 4: Simplify right side
    92,628.12x = 6,692,334,663.30
  5. Step 5: Solve for x
    x = 6,692,334,663.30/92,628.12
  6. Step 6: Final answer
    x = 72,249.49

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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.