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Finding the Fourth Proportional to 98,898.84, 148,366.98 and 39,739.14

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Solution

The fourth proportional to 98,898.84, 148,366.98 and 39,739.14 is: 59,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,898.84 : 148,366.98 = 39,739.14 : x
  2. Step 2: Convert to fraction form
    98,898.84/148,366.98 = 39,739.14/x
  3. Step 3: Cross multiply
    98,898.84x = 148,366.98 × 39,739.14
  4. Step 4: Simplify right side
    98,898.84x = 5,895,976,189.60
  5. Step 5: Solve for x
    x = 5,895,976,189.60/98,898.84
  6. Step 6: Final answer
    x = 59,616.23

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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.