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Finding the Fourth Proportional to 168,003.40, 251,486.70 and 97,673.80

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Solution

The fourth proportional to 168,003.40, 251,486.70 and 97,673.80 is: 146,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003.40 : 251,486.70 = 97,673.80 : x
  2. Step 2: Convert to fraction form
    168,003.40/251,486.70 = 97,673.80/x
  3. Step 3: Cross multiply
    168,003.40x = 251,486.70 × 97,673.80
  4. Step 4: Simplify right side
    168,003.40x = 24,563,661,638.46
  5. Step 5: Solve for x
    x = 24,563,661,638.46/168,003.40
  6. Step 6: Final answer
    x = 146,209.31

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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.