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Finding the Fourth Proportional to 98,628.30, 147,942.45 and 59,165.10

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Solution

The fourth proportional to 98,628.30, 147,942.45 and 59,165.10 is: 88,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,628.30 : 147,942.45 = 59,165.10 : x
  2. Step 2: Convert to fraction form
    98,628.30/147,942.45 = 59,165.10/x
  3. Step 3: Cross multiply
    98,628.30x = 147,942.45 × 59,165.10
  4. Step 4: Simplify right side
    98,628.30x = 8,753,029,848.50
  5. Step 5: Solve for x
    x = 8,753,029,848.50/98,628.30
  6. Step 6: Final answer
    x = 88,747.65

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Similar ratio
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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.