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Finding the Fourth Proportional to 70,263.36, 105,807.36 and 50,677.44

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Solution

The fourth proportional to 70,263.36, 105,807.36 and 50,677.44 is: 76,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.36 : 105,807.36 = 50,677.44 : x
  2. Step 2: Convert to fraction form
    70,263.36/105,807.36 = 50,677.44/x
  3. Step 3: Cross multiply
    70,263.36x = 105,807.36 × 50,677.44
  4. Step 4: Simplify right side
    70,263.36x = 5,362,046,137.96
  5. Step 5: Solve for x
    x = 5,362,046,137.96/70,263.36
  6. Step 6: Final answer
    x = 76,313.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.