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Finding the Fourth Proportional to 153,427.38, 212,004.38 and 119,523.41

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Solution

The fourth proportional to 153,427.38, 212,004.38 and 119,523.41 is: 165,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,427.38 : 212,004.38 = 119,523.41 : x
  2. Step 2: Convert to fraction form
    153,427.38/212,004.38 = 119,523.41/x
  3. Step 3: Cross multiply
    153,427.38x = 212,004.38 × 119,523.41
  4. Step 4: Simplify right side
    153,427.38x = 25,339,487,261.36
  5. Step 5: Solve for x
    x = 25,339,487,261.36/153,427.38
  6. Step 6: Final answer
    x = 165,156.23

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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.