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Finding the Fourth Proportional to 104,900.48, 157,350.72 and 31,028.48

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Solution

The fourth proportional to 104,900.48, 157,350.72 and 31,028.48 is: 46,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,900.48 : 157,350.72 = 31,028.48 : x
  2. Step 2: Convert to fraction form
    104,900.48/157,350.72 = 31,028.48/x
  3. Step 3: Cross multiply
    104,900.48x = 157,350.72 × 31,028.48
  4. Step 4: Simplify right side
    104,900.48x = 4,882,353,668.51
  5. Step 5: Solve for x
    x = 4,882,353,668.51/104,900.48
  6. Step 6: Final answer
    x = 46,542.72

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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.