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Finding the Fourth Proportional to 164,274.66, 245,223.65 and 144,345.70

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Solution

The fourth proportional to 164,274.66, 245,223.65 and 144,345.70 is: 215,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,274.66 : 245,223.65 = 144,345.70 : x
  2. Step 2: Convert to fraction form
    164,274.66/245,223.65 = 144,345.70/x
  3. Step 3: Cross multiply
    164,274.66x = 245,223.65 × 144,345.70
  4. Step 4: Simplify right side
    164,274.66x = 35,396,978,694.08
  5. Step 5: Solve for x
    x = 35,396,978,694.08/164,274.66
  6. Step 6: Final answer
    x = 215,474.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.