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Finding the Fourth Proportional to 92,231.33, 127,288.33 and 53,988.57

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Solution

The fourth proportional to 92,231.33, 127,288.33 and 53,988.57 is: 74,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,231.33 : 127,288.33 = 53,988.57 : x
  2. Step 2: Convert to fraction form
    92,231.33/127,288.33 = 53,988.57/x
  3. Step 3: Cross multiply
    92,231.33x = 127,288.33 × 53,988.57
  4. Step 4: Simplify right side
    92,231.33x = 6,872,114,779.42
  5. Step 5: Solve for x
    x = 6,872,114,779.42/92,231.33
  6. Step 6: Final answer
    x = 74,509.55

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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.