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Finding the Fourth Proportional to 207,602.29, 286,431.90 and 116,926.57

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Solution

The fourth proportional to 207,602.29, 286,431.90 and 116,926.57 is: 161,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,602.29 : 286,431.90 = 116,926.57 : x
  2. Step 2: Convert to fraction form
    207,602.29/286,431.90 = 116,926.57/x
  3. Step 3: Cross multiply
    207,602.29x = 286,431.90 × 116,926.57
  4. Step 4: Simplify right side
    207,602.29x = 33,491,499,605.58
  5. Step 5: Solve for x
    x = 33,491,499,605.58/207,602.29
  6. Step 6: Final answer
    x = 161,325.29

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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.