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Finding the Fourth Proportional to 117,282.98, 175,924.60 and 28,536.48

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Solution

The fourth proportional to 117,282.98, 175,924.60 and 28,536.48 is: 42,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,282.98 : 175,924.60 = 28,536.48 : x
  2. Step 2: Convert to fraction form
    117,282.98/175,924.60 = 28,536.48/x
  3. Step 3: Cross multiply
    117,282.98x = 175,924.60 × 28,536.48
  4. Step 4: Simplify right side
    117,282.98x = 5,020,268,829.41
  5. Step 5: Solve for x
    x = 5,020,268,829.41/117,282.98
  6. Step 6: Final answer
    x = 42,804.75

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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.