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Finding the Fourth Proportional to 201,548.76, 302,333.72 and 51,790.03

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Solution

The fourth proportional to 201,548.76, 302,333.72 and 51,790.03 is: 77,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,548.76 : 302,333.72 = 51,790.03 : x
  2. Step 2: Convert to fraction form
    201,548.76/302,333.72 = 51,790.03/x
  3. Step 3: Cross multiply
    201,548.76x = 302,333.72 × 51,790.03
  4. Step 4: Simplify right side
    201,548.76x = 15,657,873,114.65
  5. Step 5: Solve for x
    x = 15,657,873,114.65/201,548.76
  6. Step 6: Final answer
    x = 77,687.77

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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.