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Finding the Fourth Proportional to 90,343, 124,673.34 and 50,599

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Solution

The fourth proportional to 90,343, 124,673.34 and 50,599 is: 69,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343 : 124,673.34 = 50,599 : x
  2. Step 2: Convert to fraction form
    90,343/124,673.34 = 50,599/x
  3. Step 3: Cross multiply
    90,343x = 124,673.34 × 50,599
  4. Step 4: Simplify right side
    90,343x = 6,308,346,330.66
  5. Step 5: Solve for x
    x = 6,308,346,330.66/90,343
  6. Step 6: Final answer
    x = 69,826.62

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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.