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Finding the Fourth Proportional to 122,767.01, 169,416.81 and 69,052.01

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Solution

The fourth proportional to 122,767.01, 169,416.81 and 69,052.01 is: 95,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,767.01 : 169,416.81 = 69,052.01 : x
  2. Step 2: Convert to fraction form
    122,767.01/169,416.81 = 69,052.01/x
  3. Step 3: Cross multiply
    122,767.01x = 169,416.81 × 69,052.01
  4. Step 4: Simplify right side
    122,767.01x = 11,698,570,411.20
  5. Step 5: Solve for x
    x = 11,698,570,411.20/122,767.01
  6. Step 6: Final answer
    x = 95,290.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.