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Finding the Fourth Proportional to 154,973.20, 232,499.40 and 49,793.20

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Solution

The fourth proportional to 154,973.20, 232,499.40 and 49,793.20 is: 74,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,973.20 : 232,499.40 = 49,793.20 : x
  2. Step 2: Convert to fraction form
    154,973.20/232,499.40 = 49,793.20/x
  3. Step 3: Cross multiply
    154,973.20x = 232,499.40 × 49,793.20
  4. Step 4: Simplify right side
    154,973.20x = 11,576,889,124.08
  5. Step 5: Solve for x
    x = 11,576,889,124.08/154,973.20
  6. Step 6: Final answer
    x = 74,702.52

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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.