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Finding the Fourth Proportional to 92,505, 127,656.90 and 50,063.85

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Solution

The fourth proportional to 92,505, 127,656.90 and 50,063.85 is: 69,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,505 : 127,656.90 = 50,063.85 : x
  2. Step 2: Convert to fraction form
    92,505/127,656.90 = 50,063.85/x
  3. Step 3: Cross multiply
    92,505x = 127,656.90 × 50,063.85
  4. Step 4: Simplify right side
    92,505x = 6,390,995,893.07
  5. Step 5: Solve for x
    x = 6,390,995,893.07/92,505
  6. Step 6: Final answer
    x = 69,088.11

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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.