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Finding the Fourth Proportional to 104,838.71, 157,219.79 and 38,259.14

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Solution

The fourth proportional to 104,838.71, 157,219.79 and 38,259.14 is: 57,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.71 : 157,219.79 = 38,259.14 : x
  2. Step 2: Convert to fraction form
    104,838.71/157,219.79 = 38,259.14/x
  3. Step 3: Cross multiply
    104,838.71x = 157,219.79 × 38,259.14
  4. Step 4: Simplify right side
    104,838.71x = 6,015,092,978.99
  5. Step 5: Solve for x
    x = 6,015,092,978.99/104,838.71
  6. Step 6: Final answer
    x = 57,374.74

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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.