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Finding the Fourth Proportional to 92,095.89, 127,109.73 and 57,656.64

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Solution

The fourth proportional to 92,095.89, 127,109.73 and 57,656.64 is: 79,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,095.89 : 127,109.73 = 57,656.64 : x
  2. Step 2: Convert to fraction form
    92,095.89/127,109.73 = 57,656.64/x
  3. Step 3: Cross multiply
    92,095.89x = 127,109.73 × 57,656.64
  4. Step 4: Simplify right side
    92,095.89x = 7,328,719,401.33
  5. Step 5: Solve for x
    x = 7,328,719,401.33/92,095.89
  6. Step 6: Final answer
    x = 79,577.05

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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.