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Finding the Fourth Proportional to 222,653.30, 307,273.92 and 127,191.02

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Solution

The fourth proportional to 222,653.30, 307,273.92 and 127,191.02 is: 175,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,653.30 : 307,273.92 = 127,191.02 : x
  2. Step 2: Convert to fraction form
    222,653.30/307,273.92 = 127,191.02/x
  3. Step 3: Cross multiply
    222,653.30x = 307,273.92 × 127,191.02
  4. Step 4: Simplify right side
    222,653.30x = 39,082,483,304.20
  5. Step 5: Solve for x
    x = 39,082,483,304.20/222,653.30
  6. Step 6: Final answer
    x = 175,530.67

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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.