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Finding the Fourth Proportional to 98,693.57, 147,751.94 and 73,504.80

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Solution

The fourth proportional to 98,693.57, 147,751.94 and 73,504.80 is: 110,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,693.57 : 147,751.94 = 73,504.80 : x
  2. Step 2: Convert to fraction form
    98,693.57/147,751.94 = 73,504.80/x
  3. Step 3: Cross multiply
    98,693.57x = 147,751.94 × 73,504.80
  4. Step 4: Simplify right side
    98,693.57x = 10,860,476,983.07
  5. Step 5: Solve for x
    x = 10,860,476,983.07/98,693.57
  6. Step 6: Final answer
    x = 110,042.39

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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.