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Finding the Fourth Proportional to 207,519.49, 286,403 and 116,892.64

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Solution

The fourth proportional to 207,519.49, 286,403 and 116,892.64 is: 161,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,519.49 : 286,403 = 116,892.64 : x
  2. Step 2: Convert to fraction form
    207,519.49/286,403 = 116,892.64/x
  3. Step 3: Cross multiply
    207,519.49x = 286,403 × 116,892.64
  4. Step 4: Simplify right side
    207,519.49x = 33,478,402,773.92
  5. Step 5: Solve for x
    x = 33,478,402,773.92/207,519.49
  6. Step 6: Final answer
    x = 161,326.55

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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.