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Finding the Fourth Proportional to 98,019.57, 147,029.42 and 27,898.90

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Solution

The fourth proportional to 98,019.57, 147,029.42 and 27,898.90 is: 41,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,019.57 : 147,029.42 = 27,898.90 : x
  2. Step 2: Convert to fraction form
    98,019.57/147,029.42 = 27,898.90/x
  3. Step 3: Cross multiply
    98,019.57x = 147,029.42 × 27,898.90
  4. Step 4: Simplify right side
    98,019.57x = 4,101,959,085.64
  5. Step 5: Solve for x
    x = 4,101,959,085.64/98,019.57
  6. Step 6: Final answer
    x = 41,848.37

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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.