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Finding the Fourth Proportional to 200,888.50, 277,226.13 and 111,464.50

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Solution

The fourth proportional to 200,888.50, 277,226.13 and 111,464.50 is: 153,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,888.50 : 277,226.13 = 111,464.50 : x
  2. Step 2: Convert to fraction form
    200,888.50/277,226.13 = 111,464.50/x
  3. Step 3: Cross multiply
    200,888.50x = 277,226.13 × 111,464.50
  4. Step 4: Simplify right side
    200,888.50x = 30,900,871,967.39
  5. Step 5: Solve for x
    x = 30,900,871,967.39/200,888.50
  6. Step 6: Final answer
    x = 153,821.01

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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.