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Finding the Fourth Proportional to 94,278.70, 130,067.49 and 53,970.73

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Solution

The fourth proportional to 94,278.70, 130,067.49 and 53,970.73 is: 74,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,278.70 : 130,067.49 = 53,970.73 : x
  2. Step 2: Convert to fraction form
    94,278.70/130,067.49 = 53,970.73/x
  3. Step 3: Cross multiply
    94,278.70x = 130,067.49 × 53,970.73
  4. Step 4: Simplify right side
    94,278.70x = 7,019,837,384.57
  5. Step 5: Solve for x
    x = 7,019,837,384.57/94,278.70
  6. Step 6: Final answer
    x = 74,458.36

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1.5x scale

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.