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Finding the Fourth Proportional to 134,068.85, 201,100.20 and 67,491.10

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Solution

The fourth proportional to 134,068.85, 201,100.20 and 67,491.10 is: 101,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,068.85 : 201,100.20 = 67,491.10 : x
  2. Step 2: Convert to fraction form
    134,068.85/201,100.20 = 67,491.10/x
  3. Step 3: Cross multiply
    134,068.85x = 201,100.20 × 67,491.10
  4. Step 4: Simplify right side
    134,068.85x = 13,572,473,708.22
  5. Step 5: Solve for x
    x = 13,572,473,708.22/134,068.85
  6. Step 6: Final answer
    x = 101,235.10

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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.