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Finding the Fourth Proportional to 168,755.10, 253,132.65 and 98,598.30

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Solution

The fourth proportional to 168,755.10, 253,132.65 and 98,598.30 is: 147,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,755.10 : 253,132.65 = 98,598.30 : x
  2. Step 2: Convert to fraction form
    168,755.10/253,132.65 = 98,598.30/x
  3. Step 3: Cross multiply
    168,755.10x = 253,132.65 × 98,598.30
  4. Step 4: Simplify right side
    168,755.10x = 24,958,448,964.50
  5. Step 5: Solve for x
    x = 24,958,448,964.50/168,755.10
  6. Step 6: Final answer
    x = 147,897.45

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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.