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Finding the Fourth Proportional to 117,282.84, 175,924.48 and 28,536.42

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Solution

The fourth proportional to 117,282.84, 175,924.48 and 28,536.42 is: 42,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,282.84 : 175,924.48 = 28,536.42 : x
  2. Step 2: Convert to fraction form
    117,282.84/175,924.48 = 28,536.42/x
  3. Step 3: Cross multiply
    117,282.84x = 175,924.48 × 28,536.42
  4. Step 4: Simplify right side
    117,282.84x = 5,020,254,849.56
  5. Step 5: Solve for x
    x = 5,020,254,849.56/117,282.84
  6. Step 6: Final answer
    x = 42,804.68

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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.