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Finding the Fourth Proportional to 236,775, 355,224.06 and 70,563

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Solution

The fourth proportional to 236,775, 355,224.06 and 70,563 is: 105,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,775 : 355,224.06 = 70,563 : x
  2. Step 2: Convert to fraction form
    236,775/355,224.06 = 70,563/x
  3. Step 3: Cross multiply
    236,775x = 355,224.06 × 70,563
  4. Step 4: Simplify right side
    236,775x = 25,065,675,345.78
  5. Step 5: Solve for x
    x = 25,065,675,345.78/236,775
  6. Step 6: Final answer
    x = 105,862.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.