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Finding the Fourth Proportional to 98,744.10, 148,116.15 and 63,314.70

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Solution

The fourth proportional to 98,744.10, 148,116.15 and 63,314.70 is: 94,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.10 : 148,116.15 = 63,314.70 : x
  2. Step 2: Convert to fraction form
    98,744.10/148,116.15 = 63,314.70/x
  3. Step 3: Cross multiply
    98,744.10x = 148,116.15 × 63,314.70
  4. Step 4: Simplify right side
    98,744.10x = 9,377,929,602.41
  5. Step 5: Solve for x
    x = 9,377,929,602.41/98,744.10
  6. Step 6: Final answer
    x = 94,972.05

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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.