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Finding the Fourth Proportional to 201,653.70, 302,480.55 and 61,394.10

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Solution

The fourth proportional to 201,653.70, 302,480.55 and 61,394.10 is: 92,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,653.70 : 302,480.55 = 61,394.10 : x
  2. Step 2: Convert to fraction form
    201,653.70/302,480.55 = 61,394.10/x
  3. Step 3: Cross multiply
    201,653.70x = 302,480.55 × 61,394.10
  4. Step 4: Simplify right side
    201,653.70x = 18,570,521,134.76
  5. Step 5: Solve for x
    x = 18,570,521,134.76/201,653.70
  6. Step 6: Final answer
    x = 92,091.15

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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.