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Finding the Fourth Proportional to 117,079.51, 175,619.28 and 28,333.03

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Solution

The fourth proportional to 117,079.51, 175,619.28 and 28,333.03 is: 42,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,079.51 : 175,619.28 = 28,333.03 : x
  2. Step 2: Convert to fraction form
    117,079.51/175,619.28 = 28,333.03/x
  3. Step 3: Cross multiply
    117,079.51x = 175,619.28 × 28,333.03
  4. Step 4: Simplify right side
    117,079.51x = 4,975,826,328.82
  5. Step 5: Solve for x
    x = 4,975,826,328.82/117,079.51
  6. Step 6: Final answer
    x = 42,499.55

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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.