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Finding the Fourth Proportional to 90,525.62, 124,929.62 and 50,239.73

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Solution

The fourth proportional to 90,525.62, 124,929.62 and 50,239.73 is: 69,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.62 : 124,929.62 = 50,239.73 : x
  2. Step 2: Convert to fraction form
    90,525.62/124,929.62 = 50,239.73/x
  3. Step 3: Cross multiply
    90,525.62x = 124,929.62 × 50,239.73
  4. Step 4: Simplify right side
    90,525.62x = 6,276,429,501.96
  5. Step 5: Solve for x
    x = 6,276,429,501.96/90,525.62
  6. Step 6: Final answer
    x = 69,333.19

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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.