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Finding the Fourth Proportional to 201,619.70, 302,429.55 and 61,360.10

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Solution

The fourth proportional to 201,619.70, 302,429.55 and 61,360.10 is: 92,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,619.70 : 302,429.55 = 61,360.10 : x
  2. Step 2: Convert to fraction form
    201,619.70/302,429.55 = 61,360.10/x
  3. Step 3: Cross multiply
    201,619.70x = 302,429.55 × 61,360.10
  4. Step 4: Simplify right side
    201,619.70x = 18,557,107,430.96
  5. Step 5: Solve for x
    x = 18,557,107,430.96/201,619.70
  6. Step 6: Final answer
    x = 92,040.15

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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.