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Finding the Fourth Proportional to 200,655.72, 301,033.80 and 141,606.72

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Solution

The fourth proportional to 200,655.72, 301,033.80 and 141,606.72 is: 212,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,655.72 : 301,033.80 = 141,606.72 : x
  2. Step 2: Convert to fraction form
    200,655.72/301,033.80 = 141,606.72/x
  3. Step 3: Cross multiply
    200,655.72x = 301,033.80 × 141,606.72
  4. Step 4: Simplify right side
    200,655.72x = 42,628,409,027.14
  5. Step 5: Solve for x
    x = 42,628,409,027.14/200,655.72
  6. Step 6: Final answer
    x = 212,445.52

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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.