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Finding the Fourth Proportional to 98,165.20, 147,096.60 and 73,087.60

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Solution

The fourth proportional to 98,165.20, 147,096.60 and 73,087.60 is: 109,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,165.20 : 147,096.60 = 73,087.60 : x
  2. Step 2: Convert to fraction form
    98,165.20/147,096.60 = 73,087.60/x
  3. Step 3: Cross multiply
    98,165.20x = 147,096.60 × 73,087.60
  4. Step 4: Simplify right side
    98,165.20x = 10,750,937,462.16
  5. Step 5: Solve for x
    x = 10,750,937,462.16/98,165.20
  6. Step 6: Final answer
    x = 109,518.83

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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.