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Finding the Fourth Proportional to 92,908.44, 128,210.72 and 52,625.93

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Solution

The fourth proportional to 92,908.44, 128,210.72 and 52,625.93 is: 72,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.44 : 128,210.72 = 52,625.93 : x
  2. Step 2: Convert to fraction form
    92,908.44/128,210.72 = 52,625.93/x
  3. Step 3: Cross multiply
    92,908.44x = 128,210.72 × 52,625.93
  4. Step 4: Simplify right side
    92,908.44x = 6,747,207,471.79
  5. Step 5: Solve for x
    x = 6,747,207,471.79/92,908.44
  6. Step 6: Final answer
    x = 72,622.12

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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.