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Finding the Fourth Proportional to 113,501.10, 169,923.60 and 110,220.60

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Solution

The fourth proportional to 113,501.10, 169,923.60 and 110,220.60 is: 165,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,501.10 : 169,923.60 = 110,220.60 : x
  2. Step 2: Convert to fraction form
    113,501.10/169,923.60 = 110,220.60/x
  3. Step 3: Cross multiply
    113,501.10x = 169,923.60 × 110,220.60
  4. Step 4: Simplify right side
    113,501.10x = 18,729,081,146.16
  5. Step 5: Solve for x
    x = 18,729,081,146.16/113,501.10
  6. Step 6: Final answer
    x = 165,012.33

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1.5x scale

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.