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Finding the Fourth Proportional to 90,303.82, 124,623.73 and 54,493.22

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Solution

The fourth proportional to 90,303.82, 124,623.73 and 54,493.22 is: 75,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,303.82 : 124,623.73 = 54,493.22 : x
  2. Step 2: Convert to fraction form
    90,303.82/124,623.73 = 54,493.22/x
  3. Step 3: Cross multiply
    90,303.82x = 124,623.73 × 54,493.22
  4. Step 4: Simplify right side
    90,303.82x = 6,791,148,336.11
  5. Step 5: Solve for x
    x = 6,791,148,336.11/90,303.82
  6. Step 6: Final answer
    x = 75,203.33

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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.