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Finding the Fourth Proportional to 202,237.75, 279,087.75 and 111,593.64

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Solution

The fourth proportional to 202,237.75, 279,087.75 and 111,593.64 is: 153,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,237.75 : 279,087.75 = 111,593.64 : x
  2. Step 2: Convert to fraction form
    202,237.75/279,087.75 = 111,593.64/x
  3. Step 3: Cross multiply
    202,237.75x = 279,087.75 × 111,593.64
  4. Step 4: Simplify right side
    202,237.75x = 31,144,417,483.17
  5. Step 5: Solve for x
    x = 31,144,417,483.17/202,237.75
  6. Step 6: Final answer
    x = 153,999.03

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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.