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Finding the Fourth Proportional to 273,368.80, 410,168.40 and 148,799.20

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Solution

The fourth proportional to 273,368.80, 410,168.40 and 148,799.20 is: 223,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,368.80 : 410,168.40 = 148,799.20 : x
  2. Step 2: Convert to fraction form
    273,368.80/410,168.40 = 148,799.20/x
  3. Step 3: Cross multiply
    273,368.80x = 410,168.40 × 148,799.20
  4. Step 4: Simplify right side
    273,368.80x = 61,032,729,785.28
  5. Step 5: Solve for x
    x = 61,032,729,785.28/273,368.80
  6. Step 6: Final answer
    x = 223,261.51

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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.