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Finding the Fourth Proportional to 70,557.48, 106,045.20 and 46,945.17

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Solution

The fourth proportional to 70,557.48, 106,045.20 and 46,945.17 is: 70,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,557.48 : 106,045.20 = 46,945.17 : x
  2. Step 2: Convert to fraction form
    70,557.48/106,045.20 = 46,945.17/x
  3. Step 3: Cross multiply
    70,557.48x = 106,045.20 × 46,945.17
  4. Step 4: Simplify right side
    70,557.48x = 4,978,309,941.68
  5. Step 5: Solve for x
    x = 4,978,309,941.68/70,557.48
  6. Step 6: Final answer
    x = 70,556.80

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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.