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Finding the Fourth Proportional to 213,626, 294,799.02 and 118,133.48

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Solution

The fourth proportional to 213,626, 294,799.02 and 118,133.48 is: 163,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,626 : 294,799.02 = 118,133.48 : x
  2. Step 2: Convert to fraction form
    213,626/294,799.02 = 118,133.48/x
  3. Step 3: Cross multiply
    213,626x = 294,799.02 × 118,133.48
  4. Step 4: Simplify right side
    213,626x = 34,825,634,133.19
  5. Step 5: Solve for x
    x = 34,825,634,133.19/213,626
  6. Step 6: Final answer
    x = 163,021.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.