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Finding the Fourth Proportional to 127,117.96, 190,671.94 and 38,369.08

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Solution

The fourth proportional to 127,117.96, 190,671.94 and 38,369.08 is: 57,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.96 : 190,671.94 = 38,369.08 : x
  2. Step 2: Convert to fraction form
    127,117.96/190,671.94 = 38,369.08/x
  3. Step 3: Cross multiply
    127,117.96x = 190,671.94 × 38,369.08
  4. Step 4: Simplify right side
    127,117.96x = 7,315,906,919.62
  5. Step 5: Solve for x
    x = 7,315,906,919.62/127,117.96
  6. Step 6: Final answer
    x = 57,552.11

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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.