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Finding the Fourth Proportional to 92,616.13, 127,816.16 and 56,801.27

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Solution

The fourth proportional to 92,616.13, 127,816.16 and 56,801.27 is: 78,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,616.13 : 127,816.16 = 56,801.27 : x
  2. Step 2: Convert to fraction form
    92,616.13/127,816.16 = 56,801.27/x
  3. Step 3: Cross multiply
    92,616.13x = 127,816.16 × 56,801.27
  4. Step 4: Simplify right side
    92,616.13x = 7,260,120,676.07
  5. Step 5: Solve for x
    x = 7,260,120,676.07/92,616.13
  6. Step 6: Final answer
    x = 78,389.38

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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.