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Finding the Fourth Proportional to 201,897.67, 302,458.40 and 112,881.22

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Solution

The fourth proportional to 201,897.67, 302,458.40 and 112,881.22 is: 169,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,897.67 : 302,458.40 = 112,881.22 : x
  2. Step 2: Convert to fraction form
    201,897.67/302,458.40 = 112,881.22/x
  3. Step 3: Cross multiply
    201,897.67x = 302,458.40 × 112,881.22
  4. Step 4: Simplify right side
    201,897.67x = 34,141,873,191.25
  5. Step 5: Solve for x
    x = 34,141,873,191.25/201,897.67
  6. Step 6: Final answer
    x = 169,104.84

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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.