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Finding the Fourth Proportional to 266,477.51, 367,734.48 and 145,616.02

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Solution

The fourth proportional to 266,477.51, 367,734.48 and 145,616.02 is: 200,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,477.51 : 367,734.48 = 145,616.02 : x
  2. Step 2: Convert to fraction form
    266,477.51/367,734.48 = 145,616.02/x
  3. Step 3: Cross multiply
    266,477.51x = 367,734.48 × 145,616.02
  4. Step 4: Simplify right side
    266,477.51x = 53,548,031,394.37
  5. Step 5: Solve for x
    x = 53,548,031,394.37/266,477.51
  6. Step 6: Final answer
    x = 200,947.66

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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.