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Finding the Fourth Proportional to 123,497.51, 185,246.39 and 30,003.26

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Solution

The fourth proportional to 123,497.51, 185,246.39 and 30,003.26 is: 45,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,497.51 : 185,246.39 = 30,003.26 : x
  2. Step 2: Convert to fraction form
    123,497.51/185,246.39 = 30,003.26/x
  3. Step 3: Cross multiply
    123,497.51x = 185,246.39 × 30,003.26
  4. Step 4: Simplify right side
    123,497.51x = 5,557,994,752.01
  5. Step 5: Solve for x
    x = 5,557,994,752.01/123,497.51
  6. Step 6: Final answer
    x = 45,004.92

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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.