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Finding the Fourth Proportional to 127,656.54, 191,505.60 and 37,708.38

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Solution

The fourth proportional to 127,656.54, 191,505.60 and 37,708.38 is: 56,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.54 : 191,505.60 = 37,708.38 : x
  2. Step 2: Convert to fraction form
    127,656.54/191,505.60 = 37,708.38/x
  3. Step 3: Cross multiply
    127,656.54x = 191,505.60 × 37,708.38
  4. Step 4: Simplify right side
    127,656.54x = 7,221,365,936.93
  5. Step 5: Solve for x
    x = 7,221,365,936.93/127,656.54
  6. Step 6: Final answer
    x = 56,568.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.