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Finding the Fourth Proportional to 70,329.60, 104,889.60 and 59,097.60

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Solution

The fourth proportional to 70,329.60, 104,889.60 and 59,097.60 is: 88,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.60 : 104,889.60 = 59,097.60 : x
  2. Step 2: Convert to fraction form
    70,329.60/104,889.60 = 59,097.60/x
  3. Step 3: Cross multiply
    70,329.60x = 104,889.60 × 59,097.60
  4. Step 4: Simplify right side
    70,329.60x = 6,198,723,624.96
  5. Step 5: Solve for x
    x = 6,198,723,624.96/70,329.60
  6. Step 6: Final answer
    x = 88,138.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.