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Finding the Fourth Proportional to 104,934.40, 157,401.60 and 38,352.40

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Solution

The fourth proportional to 104,934.40, 157,401.60 and 38,352.40 is: 57,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.40 : 157,401.60 = 38,352.40 : x
  2. Step 2: Convert to fraction form
    104,934.40/157,401.60 = 38,352.40/x
  3. Step 3: Cross multiply
    104,934.40x = 157,401.60 × 38,352.40
  4. Step 4: Simplify right side
    104,934.40x = 6,036,729,123.84
  5. Step 5: Solve for x
    x = 6,036,729,123.84/104,934.40
  6. Step 6: Final answer
    x = 57,528.60

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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.