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Finding the Fourth Proportional to 201,906.51, 302,848.80 and 61,654.20

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Solution

The fourth proportional to 201,906.51, 302,848.80 and 61,654.20 is: 92,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,906.51 : 302,848.80 = 61,654.20 : x
  2. Step 2: Convert to fraction form
    201,906.51/302,848.80 = 61,654.20/x
  3. Step 3: Cross multiply
    201,906.51x = 302,848.80 × 61,654.20
  4. Step 4: Simplify right side
    201,906.51x = 18,671,900,484.96
  5. Step 5: Solve for x
    x = 18,671,900,484.96/201,906.51
  6. Step 6: Final answer
    x = 92,477.95

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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.