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Finding the Fourth Proportional to 134,116.70, 201,175.05 and 71,908.70

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Solution

The fourth proportional to 134,116.70, 201,175.05 and 71,908.70 is: 107,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,116.70 : 201,175.05 = 71,908.70 : x
  2. Step 2: Convert to fraction form
    134,116.70/201,175.05 = 71,908.70/x
  3. Step 3: Cross multiply
    134,116.70x = 201,175.05 × 71,908.70
  4. Step 4: Simplify right side
    134,116.70x = 14,466,236,317.94
  5. Step 5: Solve for x
    x = 14,466,236,317.94/134,116.70
  6. Step 6: Final answer
    x = 107,863.05

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1.5x scale

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.