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Finding the Fourth Proportional to 207,294.62, 286,063.22 and 116,650.53

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Solution

The fourth proportional to 207,294.62, 286,063.22 and 116,650.53 is: 160,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,294.62 : 286,063.22 = 116,650.53 : x
  2. Step 2: Convert to fraction form
    207,294.62/286,063.22 = 116,650.53/x
  3. Step 3: Cross multiply
    207,294.62x = 286,063.22 × 116,650.53
  4. Step 4: Simplify right side
    207,294.62x = 33,369,426,226.51
  5. Step 5: Solve for x
    x = 33,369,426,226.51/207,294.62
  6. Step 6: Final answer
    x = 160,975.84

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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.