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Finding the Fourth Proportional to 92,055.72, 127,035.69 and 51,769.47

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Solution

The fourth proportional to 92,055.72, 127,035.69 and 51,769.47 is: 71,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,055.72 : 127,035.69 = 51,769.47 : x
  2. Step 2: Convert to fraction form
    92,055.72/127,035.69 = 51,769.47/x
  3. Step 3: Cross multiply
    92,055.72x = 127,035.69 × 51,769.47
  4. Step 4: Simplify right side
    92,055.72x = 6,576,570,342.38
  5. Step 5: Solve for x
    x = 6,576,570,342.38/92,055.72
  6. Step 6: Final answer
    x = 71,441.19

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1.5x scale

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.