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Finding the Fourth Proportional to 200,888.10, 301,343.09 and 60,643.08

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Solution

The fourth proportional to 200,888.10, 301,343.09 and 60,643.08 is: 90,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,888.10 : 301,343.09 = 60,643.08 : x
  2. Step 2: Convert to fraction form
    200,888.10/301,343.09 = 60,643.08/x
  3. Step 3: Cross multiply
    200,888.10x = 301,343.09 × 60,643.08
  4. Step 4: Simplify right side
    200,888.10x = 18,274,372,811.10
  5. Step 5: Solve for x
    x = 18,274,372,811.10/200,888.10
  6. Step 6: Final answer
    x = 90,967.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.