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Finding the Fourth Proportional to 193,897.76, 290,846.62 and 53,656.38

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Solution

The fourth proportional to 193,897.76, 290,846.62 and 53,656.38 is: 80,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,897.76 : 290,846.62 = 53,656.38 : x
  2. Step 2: Convert to fraction form
    193,897.76/290,846.62 = 53,656.38/x
  3. Step 3: Cross multiply
    193,897.76x = 290,846.62 × 53,656.38
  4. Step 4: Simplify right side
    193,897.76x = 15,605,776,764.44
  5. Step 5: Solve for x
    x = 15,605,776,764.44/193,897.76
  6. Step 6: Final answer
    x = 80,484.56

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1.5x scale

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.