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Finding the Fourth Proportional to 202,272.54, 279,153.99 and 111,648.12

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Solution

The fourth proportional to 202,272.54, 279,153.99 and 111,648.12 is: 154,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,272.54 : 279,153.99 = 111,648.12 : x
  2. Step 2: Convert to fraction form
    202,272.54/279,153.99 = 111,648.12/x
  3. Step 3: Cross multiply
    202,272.54x = 279,153.99 × 111,648.12
  4. Step 4: Simplify right side
    202,272.54x = 31,167,018,174.00
  5. Step 5: Solve for x
    x = 31,167,018,174.00/202,272.54
  6. Step 6: Final answer
    x = 154,084.28

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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.