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Finding the Fourth Proportional to 202,224.50, 279,069.54 and 111,580.43

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Solution

The fourth proportional to 202,224.50, 279,069.54 and 111,580.43 is: 153,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,224.50 : 279,069.54 = 111,580.43 : x
  2. Step 2: Convert to fraction form
    202,224.50/279,069.54 = 111,580.43/x
  3. Step 3: Cross multiply
    202,224.50x = 279,069.54 × 111,580.43
  4. Step 4: Simplify right side
    202,224.50x = 31,138,698,715.20
  5. Step 5: Solve for x
    x = 31,138,698,715.20/202,224.50
  6. Step 6: Final answer
    x = 153,980.85

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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.