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Finding the Fourth Proportional to 209,258.60, 313,840.60 and 59,495.60

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Solution

The fourth proportional to 209,258.60, 313,840.60 and 59,495.60 is: 89,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,258.60 : 313,840.60 = 59,495.60 : x
  2. Step 2: Convert to fraction form
    209,258.60/313,840.60 = 59,495.60/x
  3. Step 3: Cross multiply
    209,258.60x = 313,840.60 × 59,495.60
  4. Step 4: Simplify right side
    209,258.60x = 18,672,135,437.22
  5. Step 5: Solve for x
    x = 18,672,135,437.22/209,258.60
  6. Step 6: Final answer
    x = 89,229.96

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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.