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Finding the Fourth Proportional to 122,803.56, 168,734.49 and 97,609.32

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Solution

The fourth proportional to 122,803.56, 168,734.49 and 97,609.32 is: 134,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,803.56 : 168,734.49 = 97,609.32 : x
  2. Step 2: Convert to fraction form
    122,803.56/168,734.49 = 97,609.32/x
  3. Step 3: Cross multiply
    122,803.56x = 168,734.49 × 97,609.32
  4. Step 4: Simplify right side
    122,803.56x = 16,470,058,829.45
  5. Step 5: Solve for x
    x = 16,470,058,829.45/122,803.56
  6. Step 6: Final answer
    x = 134,117.11

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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.