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Finding the Fourth Proportional to 122,757.69, 168,671.46 and 97,563.45

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Solution

The fourth proportional to 122,757.69, 168,671.46 and 97,563.45 is: 134,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,757.69 : 168,671.46 = 97,563.45 : x
  2. Step 2: Convert to fraction form
    122,757.69/168,671.46 = 97,563.45/x
  3. Step 3: Cross multiply
    122,757.69x = 168,671.46 × 97,563.45
  4. Step 4: Simplify right side
    122,757.69x = 16,456,169,554.14
  5. Step 5: Solve for x
    x = 16,456,169,554.14/122,757.69
  6. Step 6: Final answer
    x = 134,054.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.