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Finding the Fourth Proportional to 208,352.03, 287,525.52 and 112,859.10

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Solution

The fourth proportional to 208,352.03, 287,525.52 and 112,859.10 is: 155,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,352.03 : 287,525.52 = 112,859.10 : x
  2. Step 2: Convert to fraction form
    208,352.03/287,525.52 = 112,859.10/x
  3. Step 3: Cross multiply
    208,352.03x = 287,525.52 × 112,859.10
  4. Step 4: Simplify right side
    208,352.03x = 32,449,871,414.23
  5. Step 5: Solve for x
    x = 32,449,871,414.23/208,352.03
  6. Step 6: Final answer
    x = 155,745.41

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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.