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Finding the Fourth Proportional to 194,725.20, 292,097.40 and 101,413.20

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Solution

The fourth proportional to 194,725.20, 292,097.40 and 101,413.20 is: 152,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,725.20 : 292,097.40 = 101,413.20 : x
  2. Step 2: Convert to fraction form
    194,725.20/292,097.40 = 101,413.20/x
  3. Step 3: Cross multiply
    194,725.20x = 292,097.40 × 101,413.20
  4. Step 4: Simplify right side
    194,725.20x = 29,622,532,045.68
  5. Step 5: Solve for x
    x = 29,622,532,045.68/194,725.20
  6. Step 6: Final answer
    x = 152,124.80

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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.