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Finding the Fourth Proportional to 212,296.05, 292,969.05 and 116,808.90

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Solution

The fourth proportional to 212,296.05, 292,969.05 and 116,808.90 is: 161,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,296.05 : 292,969.05 = 116,808.90 : x
  2. Step 2: Convert to fraction form
    212,296.05/292,969.05 = 116,808.90/x
  3. Step 3: Cross multiply
    212,296.05x = 292,969.05 × 116,808.90
  4. Step 4: Simplify right side
    212,296.05x = 34,221,392,464.55
  5. Step 5: Solve for x
    x = 34,221,392,464.55/212,296.05
  6. Step 6: Final answer
    x = 161,196.56

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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.