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Finding the Fourth Proportional to 103,499.40, 155,249.10 and 37,014.60

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Solution

The fourth proportional to 103,499.40, 155,249.10 and 37,014.60 is: 55,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,499.40 : 155,249.10 = 37,014.60 : x
  2. Step 2: Convert to fraction form
    103,499.40/155,249.10 = 37,014.60/x
  3. Step 3: Cross multiply
    103,499.40x = 155,249.10 × 37,014.60
  4. Step 4: Simplify right side
    103,499.40x = 5,746,483,336.86
  5. Step 5: Solve for x
    x = 5,746,483,336.86/103,499.40
  6. Step 6: Final answer
    x = 55,521.90

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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.