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Finding the Fourth Proportional to 114,506.60, 157,906.55 and 105,455.44

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Solution

The fourth proportional to 114,506.60, 157,906.55 and 105,455.44 is: 145,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,506.60 : 157,906.55 = 105,455.44 : x
  2. Step 2: Convert to fraction form
    114,506.60/157,906.55 = 105,455.44/x
  3. Step 3: Cross multiply
    114,506.60x = 157,906.55 × 105,455.44
  4. Step 4: Simplify right side
    114,506.60x = 16,652,103,392.32
  5. Step 5: Solve for x
    x = 16,652,103,392.32/114,506.60
  6. Step 6: Final answer
    x = 145,424.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.