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Finding the Fourth Proportional to 188,314.89, 282,480.87 and 53,388.63

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Solution

The fourth proportional to 188,314.89, 282,480.87 and 53,388.63 is: 80,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,314.89 : 282,480.87 = 53,388.63 : x
  2. Step 2: Convert to fraction form
    188,314.89/282,480.87 = 53,388.63/x
  3. Step 3: Cross multiply
    188,314.89x = 282,480.87 × 53,388.63
  4. Step 4: Simplify right side
    188,314.89x = 15,081,266,650.51
  5. Step 5: Solve for x
    x = 15,081,266,650.51/188,314.89
  6. Step 6: Final answer
    x = 80,085.36

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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.