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Finding the Fourth Proportional to 92,676.76, 127,895.86 and 52,388.12

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Solution

The fourth proportional to 92,676.76, 127,895.86 and 52,388.12 is: 72,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,676.76 : 127,895.86 = 52,388.12 : x
  2. Step 2: Convert to fraction form
    92,676.76/127,895.86 = 52,388.12/x
  3. Step 3: Cross multiply
    92,676.76x = 127,895.86 × 52,388.12
  4. Step 4: Simplify right side
    92,676.76x = 6,700,223,661.18
  5. Step 5: Solve for x
    x = 6,700,223,661.18/92,676.76
  6. Step 6: Final answer
    x = 72,296.70

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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.