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Finding the Fourth Proportional to 89,208.73, 123,096.70 and 50,970.76

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Solution

The fourth proportional to 89,208.73, 123,096.70 and 50,970.76 is: 70,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.73 : 123,096.70 = 50,970.76 : x
  2. Step 2: Convert to fraction form
    89,208.73/123,096.70 = 50,970.76/x
  3. Step 3: Cross multiply
    89,208.73x = 123,096.70 × 50,970.76
  4. Step 4: Simplify right side
    89,208.73x = 6,274,331,917.32
  5. Step 5: Solve for x
    x = 6,274,331,917.32/89,208.73
  6. Step 6: Final answer
    x = 70,333.16

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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.