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Finding the Fourth Proportional to 115,808.60, 173,615.70 and 60,404.60

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Solution

The fourth proportional to 115,808.60, 173,615.70 and 60,404.60 is: 90,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,808.60 : 173,615.70 = 60,404.60 : x
  2. Step 2: Convert to fraction form
    115,808.60/173,615.70 = 60,404.60/x
  3. Step 3: Cross multiply
    115,808.60x = 173,615.70 × 60,404.60
  4. Step 4: Simplify right side
    115,808.60x = 10,487,186,912.22
  5. Step 5: Solve for x
    x = 10,487,186,912.22/115,808.60
  6. Step 6: Final answer
    x = 90,556.20

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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.