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Finding the Fourth Proportional to 113,334.70, 170,043.90 and 46,780.60

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Solution

The fourth proportional to 113,334.70, 170,043.90 and 46,780.60 is: 70,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,334.70 : 170,043.90 = 46,780.60 : x
  2. Step 2: Convert to fraction form
    113,334.70/170,043.90 = 46,780.60/x
  3. Step 3: Cross multiply
    113,334.70x = 170,043.90 × 46,780.60
  4. Step 4: Simplify right side
    113,334.70x = 7,954,755,668.34
  5. Step 5: Solve for x
    x = 7,954,755,668.34/113,334.70
  6. Step 6: Final answer
    x = 70,188.17

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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.