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Finding the Fourth Proportional to 104,706.84, 144,528.39 and 70,691.70

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Solution

The fourth proportional to 104,706.84, 144,528.39 and 70,691.70 is: 97,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,706.84 : 144,528.39 = 70,691.70 : x
  2. Step 2: Convert to fraction form
    104,706.84/144,528.39 = 70,691.70/x
  3. Step 3: Cross multiply
    104,706.84x = 144,528.39 × 70,691.70
  4. Step 4: Simplify right side
    104,706.84x = 10,216,957,587.36
  5. Step 5: Solve for x
    x = 10,216,957,587.36/104,706.84
  6. Step 6: Final answer
    x = 97,576.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.