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Finding the Fourth Proportional to 201,691.79, 302,570.55 and 59,551.43

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Solution

The fourth proportional to 201,691.79, 302,570.55 and 59,551.43 is: 89,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,691.79 : 302,570.55 = 59,551.43 : x
  2. Step 2: Convert to fraction form
    201,691.79/302,570.55 = 59,551.43/x
  3. Step 3: Cross multiply
    201,691.79x = 302,570.55 × 59,551.43
  4. Step 4: Simplify right side
    201,691.79x = 18,018,509,008.84
  5. Step 5: Solve for x
    x = 18,018,509,008.84/201,691.79
  6. Step 6: Final answer
    x = 89,336.85

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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.