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Finding the Fourth Proportional to 70,178.36, 104,364.96 and 67,963.46

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Solution

The fourth proportional to 70,178.36, 104,364.96 and 67,963.46 is: 101,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,178.36 : 104,364.96 = 67,963.46 : x
  2. Step 2: Convert to fraction form
    70,178.36/104,364.96 = 67,963.46/x
  3. Step 3: Cross multiply
    70,178.36x = 104,364.96 × 67,963.46
  4. Step 4: Simplify right side
    70,178.36x = 7,093,003,784.36
  5. Step 5: Solve for x
    x = 7,093,003,784.36/70,178.36
  6. Step 6: Final answer
    x = 101,071.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.