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Finding the Fourth Proportional to 90,527, 124,927.26 and 50,783

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Solution

The fourth proportional to 90,527, 124,927.26 and 50,783 is: 70,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527 : 124,927.26 = 50,783 : x
  2. Step 2: Convert to fraction form
    90,527/124,927.26 = 50,783/x
  3. Step 3: Cross multiply
    90,527x = 124,927.26 × 50,783
  4. Step 4: Simplify right side
    90,527x = 6,344,181,044.58
  5. Step 5: Solve for x
    x = 6,344,181,044.58/90,527
  6. Step 6: Final answer
    x = 70,080.54

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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.