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Finding the Fourth Proportional to 201,806.60, 302,564.10 and 113,087.30

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Solution

The fourth proportional to 201,806.60, 302,564.10 and 113,087.30 is: 169,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,806.60 : 302,564.10 = 113,087.30 : x
  2. Step 2: Convert to fraction form
    201,806.60/302,564.10 = 113,087.30/x
  3. Step 3: Cross multiply
    201,806.60x = 302,564.10 × 113,087.30
  4. Step 4: Simplify right side
    201,806.60x = 34,216,157,145.93
  5. Step 5: Solve for x
    x = 34,216,157,145.93/201,806.60
  6. Step 6: Final answer
    x = 169,549.25

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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.