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Finding the Fourth Proportional to 90,509.00, 124,900.83 and 50,222.07

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Solution

The fourth proportional to 90,509.00, 124,900.83 and 50,222.07 is: 69,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,509.00 : 124,900.83 = 50,222.07 : x
  2. Step 2: Convert to fraction form
    90,509.00/124,900.83 = 50,222.07/x
  3. Step 3: Cross multiply
    90,509.00x = 124,900.83 × 50,222.07
  4. Step 4: Simplify right side
    90,509.00x = 6,272,778,227.32
  5. Step 5: Solve for x
    x = 6,272,778,227.32/90,509.00
  6. Step 6: Final answer
    x = 69,305.58

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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.