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Finding the Fourth Proportional to 107,798.42, 161,623.04 and 47,794.11

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Solution

The fourth proportional to 107,798.42, 161,623.04 and 47,794.11 is: 71,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,798.42 : 161,623.04 = 47,794.11 : x
  2. Step 2: Convert to fraction form
    107,798.42/161,623.04 = 47,794.11/x
  3. Step 3: Cross multiply
    107,798.42x = 161,623.04 × 47,794.11
  4. Step 4: Simplify right side
    107,798.42x = 7,724,629,113.32
  5. Step 5: Solve for x
    x = 7,724,629,113.32/107,798.42
  6. Step 6: Final answer
    x = 71,658.10

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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.