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Finding the Fourth Proportional to 201,960.70, 302,955.45 and 61,719.10

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Solution

The fourth proportional to 201,960.70, 302,955.45 and 61,719.10 is: 92,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,960.70 : 302,955.45 = 61,719.10 : x
  2. Step 2: Convert to fraction form
    201,960.70/302,955.45 = 61,719.10/x
  3. Step 3: Cross multiply
    201,960.70x = 302,955.45 × 61,719.10
  4. Step 4: Simplify right side
    201,960.70x = 18,698,137,714.10
  5. Step 5: Solve for x
    x = 18,698,137,714.10/201,960.70
  6. Step 6: Final answer
    x = 92,583.05

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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.