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Finding the Fourth Proportional to 149,773.15, 206,732.72 and 92,430.01

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Solution

The fourth proportional to 149,773.15, 206,732.72 and 92,430.01 is: 127,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,773.15 : 206,732.72 = 92,430.01 : x
  2. Step 2: Convert to fraction form
    149,773.15/206,732.72 = 92,430.01/x
  3. Step 3: Cross multiply
    149,773.15x = 206,732.72 × 92,430.01
  4. Step 4: Simplify right side
    149,773.15x = 19,108,307,376.93
  5. Step 5: Solve for x
    x = 19,108,307,376.93/149,773.15
  6. Step 6: Final answer
    x = 127,581.66

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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.