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Finding the Fourth Proportional to 207,416.39, 286,212.71 and 116,770.71

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Solution

The fourth proportional to 207,416.39, 286,212.71 and 116,770.71 is: 161,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,416.39 : 286,212.71 = 116,770.71 : x
  2. Step 2: Convert to fraction form
    207,416.39/286,212.71 = 116,770.71/x
  3. Step 3: Cross multiply
    207,416.39x = 286,212.71 × 116,770.71
  4. Step 4: Simplify right side
    207,416.39x = 33,421,261,649.65
  5. Step 5: Solve for x
    x = 33,421,261,649.65/207,416.39
  6. Step 6: Final answer
    x = 161,131.25

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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.