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Finding the Fourth Proportional to 101,499.40, 152,249.10 and 48,914.20

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Solution

The fourth proportional to 101,499.40, 152,249.10 and 48,914.20 is: 73,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499.40 : 152,249.10 = 48,914.20 : x
  2. Step 2: Convert to fraction form
    101,499.40/152,249.10 = 48,914.20/x
  3. Step 3: Cross multiply
    101,499.40x = 152,249.10 × 48,914.20
  4. Step 4: Simplify right side
    101,499.40x = 7,447,142,927.22
  5. Step 5: Solve for x
    x = 7,447,142,927.22/101,499.40
  6. Step 6: Final answer
    x = 73,371.30

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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.