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Finding the Fourth Proportional to 117,242.83, 175,863.78 and 28,496.59

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Solution

The fourth proportional to 117,242.83, 175,863.78 and 28,496.59 is: 42,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,242.83 : 175,863.78 = 28,496.59 : x
  2. Step 2: Convert to fraction form
    117,242.83/175,863.78 = 28,496.59/x
  3. Step 3: Cross multiply
    117,242.83x = 175,863.78 × 28,496.59
  4. Step 4: Simplify right side
    117,242.83x = 5,011,518,034.51
  5. Step 5: Solve for x
    x = 5,011,518,034.51/117,242.83
  6. Step 6: Final answer
    x = 42,744.77

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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.