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Finding the Fourth Proportional to 201,554.06, 302,320.15 and 61,301.75

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Solution

The fourth proportional to 201,554.06, 302,320.15 and 61,301.75 is: 91,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,554.06 : 302,320.15 = 61,301.75 : x
  2. Step 2: Convert to fraction form
    201,554.06/302,320.15 = 61,301.75/x
  3. Step 3: Cross multiply
    201,554.06x = 302,320.15 × 61,301.75
  4. Step 4: Simplify right side
    201,554.06x = 18,532,754,255.26
  5. Step 5: Solve for x
    x = 18,532,754,255.26/201,554.06
  6. Step 6: Final answer
    x = 91,949.30

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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.