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Finding the Fourth Proportional to 73,624.20, 110,436.30 and 65,459.40

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Solution

The fourth proportional to 73,624.20, 110,436.30 and 65,459.40 is: 98,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,624.20 : 110,436.30 = 65,459.40 : x
  2. Step 2: Convert to fraction form
    73,624.20/110,436.30 = 65,459.40/x
  3. Step 3: Cross multiply
    73,624.20x = 110,436.30 × 65,459.40
  4. Step 4: Simplify right side
    73,624.20x = 7,229,093,936.22
  5. Step 5: Solve for x
    x = 7,229,093,936.22/73,624.20
  6. Step 6: Final answer
    x = 98,189.10

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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.