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Finding the Fourth Proportional to 201,326.31, 302,033.61 and 61,095.87

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Solution

The fourth proportional to 201,326.31, 302,033.61 and 61,095.87 is: 91,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,326.31 : 302,033.61 = 61,095.87 : x
  2. Step 2: Convert to fraction form
    201,326.31/302,033.61 = 61,095.87/x
  3. Step 3: Cross multiply
    201,326.31x = 302,033.61 × 61,095.87
  4. Step 4: Simplify right side
    201,326.31x = 18,453,006,172.19
  5. Step 5: Solve for x
    x = 18,453,006,172.19/201,326.31
  6. Step 6: Final answer
    x = 91,657.20

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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.