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Finding the Fourth Proportional to 96,434.70, 133,087.56 and 71,056.98

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Solution

The fourth proportional to 96,434.70, 133,087.56 and 71,056.98 is: 98,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,434.70 : 133,087.56 = 71,056.98 : x
  2. Step 2: Convert to fraction form
    96,434.70/133,087.56 = 71,056.98/x
  3. Step 3: Cross multiply
    96,434.70x = 133,087.56 × 71,056.98
  4. Step 4: Simplify right side
    96,434.70x = 9,456,800,089.17
  5. Step 5: Solve for x
    x = 9,456,800,089.17/96,434.70
  6. Step 6: Final answer
    x = 98,064.29

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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.