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Finding the Fourth Proportional to 201,362.66, 302,044.99 and 61,122.50

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Solution

The fourth proportional to 201,362.66, 302,044.99 and 61,122.50 is: 91,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,362.66 : 302,044.99 = 61,122.50 : x
  2. Step 2: Convert to fraction form
    201,362.66/302,044.99 = 61,122.50/x
  3. Step 3: Cross multiply
    201,362.66x = 302,044.99 × 61,122.50
  4. Step 4: Simplify right side
    201,362.66x = 18,461,744,901.28
  5. Step 5: Solve for x
    x = 18,461,744,901.28/201,362.66
  6. Step 6: Final answer
    x = 91,684.05

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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.