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Finding the Fourth Proportional to 98,551.38, 147,898.40 and 39,404.01

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Solution

The fourth proportional to 98,551.38, 147,898.40 and 39,404.01 is: 59,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,551.38 : 147,898.40 = 39,404.01 : x
  2. Step 2: Convert to fraction form
    98,551.38/147,898.40 = 39,404.01/x
  3. Step 3: Cross multiply
    98,551.38x = 147,898.40 × 39,404.01
  4. Step 4: Simplify right side
    98,551.38x = 5,827,789,835.56
  5. Step 5: Solve for x
    x = 5,827,789,835.56/98,551.38
  6. Step 6: Final answer
    x = 59,134.53

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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.