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Finding the Fourth Proportional to 115,599.60, 173,399.40 and 103,352.40

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Solution

The fourth proportional to 115,599.60, 173,399.40 and 103,352.40 is: 155,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.60 : 173,399.40 = 103,352.40 : x
  2. Step 2: Convert to fraction form
    115,599.60/173,399.40 = 103,352.40/x
  3. Step 3: Cross multiply
    115,599.60x = 173,399.40 × 103,352.40
  4. Step 4: Simplify right side
    115,599.60x = 17,921,244,148.56
  5. Step 5: Solve for x
    x = 17,921,244,148.56/115,599.60
  6. Step 6: Final answer
    x = 155,028.60

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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.