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Finding the Fourth Proportional to 113,326.60, 169,989.90 and 46,744.60

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Solution

The fourth proportional to 113,326.60, 169,989.90 and 46,744.60 is: 70,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,326.60 : 169,989.90 = 46,744.60 : x
  2. Step 2: Convert to fraction form
    113,326.60/169,989.90 = 46,744.60/x
  3. Step 3: Cross multiply
    113,326.60x = 169,989.90 × 46,744.60
  4. Step 4: Simplify right side
    113,326.60x = 7,946,109,879.54
  5. Step 5: Solve for x
    x = 7,946,109,879.54/113,326.60
  6. Step 6: Final answer
    x = 70,116.90

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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.