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Finding the Fourth Proportional to 183,509.52, 253,261.80 and 108,082.32

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Solution

The fourth proportional to 183,509.52, 253,261.80 and 108,082.32 is: 149,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,509.52 : 253,261.80 = 108,082.32 : x
  2. Step 2: Convert to fraction form
    183,509.52/253,261.80 = 108,082.32/x
  3. Step 3: Cross multiply
    183,509.52x = 253,261.80 × 108,082.32
  4. Step 4: Simplify right side
    183,509.52x = 27,373,122,911.38
  5. Step 5: Solve for x
    x = 27,373,122,911.38/183,509.52
  6. Step 6: Final answer
    x = 149,164.59

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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.