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Finding the Fourth Proportional to 201,522.40, 302,300.52 and 61,282.24

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Solution

The fourth proportional to 201,522.40, 302,300.52 and 61,282.24 is: 91,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,522.40 : 302,300.52 = 61,282.24 : x
  2. Step 2: Convert to fraction form
    201,522.40/302,300.52 = 61,282.24/x
  3. Step 3: Cross multiply
    201,522.40x = 302,300.52 × 61,282.24
  4. Step 4: Simplify right side
    201,522.40x = 18,525,653,018.76
  5. Step 5: Solve for x
    x = 18,525,653,018.76/201,522.40
  6. Step 6: Final answer
    x = 91,928.51

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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.