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Finding the Fourth Proportional to 154,969.70, 232,494.15 and 49,789.70

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Solution

The fourth proportional to 154,969.70, 232,494.15 and 49,789.70 is: 74,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,969.70 : 232,494.15 = 49,789.70 : x
  2. Step 2: Convert to fraction form
    154,969.70/232,494.15 = 49,789.70/x
  3. Step 3: Cross multiply
    154,969.70x = 232,494.15 × 49,789.70
  4. Step 4: Simplify right side
    154,969.70x = 11,575,813,980.26
  5. Step 5: Solve for x
    x = 11,575,813,980.26/154,969.70
  6. Step 6: Final answer
    x = 74,697.27

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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.