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Finding the Fourth Proportional to 117,643.50, 176,366.03 and 51,033.51

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Solution

The fourth proportional to 117,643.50, 176,366.03 and 51,033.51 is: 76,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,643.50 : 176,366.03 = 51,033.51 : x
  2. Step 2: Convert to fraction form
    117,643.50/176,366.03 = 51,033.51/x
  3. Step 3: Cross multiply
    117,643.50x = 176,366.03 × 51,033.51
  4. Step 4: Simplify right side
    117,643.50x = 9,000,577,300.50
  5. Step 5: Solve for x
    x = 9,000,577,300.50/117,643.50
  6. Step 6: Final answer
    x = 76,507.22

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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.