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Finding the Fourth Proportional to 201,616.45, 302,588.70 and 195,055.45

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Solution

The fourth proportional to 201,616.45, 302,588.70 and 195,055.45 is: 292,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,616.45 : 302,588.70 = 195,055.45 : x
  2. Step 2: Convert to fraction form
    201,616.45/302,588.70 = 195,055.45/x
  3. Step 3: Cross multiply
    201,616.45x = 302,588.70 × 195,055.45
  4. Step 4: Simplify right side
    201,616.45x = 59,021,575,043.42
  5. Step 5: Solve for x
    x = 59,021,575,043.42/201,616.45
  6. Step 6: Final answer
    x = 292,741.86

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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.