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Finding the Fourth Proportional to 202,209.68, 279,052.24 and 111,569.60

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Solution

The fourth proportional to 202,209.68, 279,052.24 and 111,569.60 is: 153,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,209.68 : 279,052.24 = 111,569.60 : x
  2. Step 2: Convert to fraction form
    202,209.68/279,052.24 = 111,569.60/x
  3. Step 3: Cross multiply
    202,209.68x = 279,052.24 × 111,569.60
  4. Step 4: Simplify right side
    202,209.68x = 31,133,746,795.90
  5. Step 5: Solve for x
    x = 31,133,746,795.90/202,209.68
  6. Step 6: Final answer
    x = 153,967.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.