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Finding the Fourth Proportional to 123,745.25, 170,771.00 and 70,030.26

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Solution

The fourth proportional to 123,745.25, 170,771.00 and 70,030.26 is: 96,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,745.25 : 170,771.00 = 70,030.26 : x
  2. Step 2: Convert to fraction form
    123,745.25/170,771.00 = 70,030.26/x
  3. Step 3: Cross multiply
    123,745.25x = 170,771.00 × 70,030.26
  4. Step 4: Simplify right side
    123,745.25x = 11,959,137,180.31
  5. Step 5: Solve for x
    x = 11,959,137,180.31/123,745.25
  6. Step 6: Final answer
    x = 96,643.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.