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Finding the Fourth Proportional to 207,480.76, 286,327.16 and 122,597.64

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Solution

The fourth proportional to 207,480.76, 286,327.16 and 122,597.64 is: 169,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,480.76 : 286,327.16 = 122,597.64 : x
  2. Step 2: Convert to fraction form
    207,480.76/286,327.16 = 122,597.64/x
  3. Step 3: Cross multiply
    207,480.76x = 286,327.16 × 122,597.64
  4. Step 4: Simplify right side
    207,480.76x = 35,103,034,083.90
  5. Step 5: Solve for x
    x = 35,103,034,083.90/207,480.76
  6. Step 6: Final answer
    x = 169,186.94

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1.5x scale

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.