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Finding the Fourth Proportional to 201,957.44, 278,713.44 and 111,313.28

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Solution

The fourth proportional to 201,957.44, 278,713.44 and 111,313.28 is: 153,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,957.44 : 278,713.44 = 111,313.28 : x
  2. Step 2: Convert to fraction form
    201,957.44/278,713.44 = 111,313.28/x
  3. Step 3: Cross multiply
    201,957.44x = 278,713.44 × 111,313.28
  4. Step 4: Simplify right side
    201,957.44x = 31,024,507,186.48
  5. Step 5: Solve for x
    x = 31,024,507,186.48/201,957.44
  6. Step 6: Final answer
    x = 153,619.04

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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.