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Finding the Fourth Proportional to 160,406.67, 221,338.03 and 88,786.52

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Solution

The fourth proportional to 160,406.67, 221,338.03 and 88,786.52 is: 122,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,406.67 : 221,338.03 = 88,786.52 : x
  2. Step 2: Convert to fraction form
    160,406.67/221,338.03 = 88,786.52/x
  3. Step 3: Cross multiply
    160,406.67x = 221,338.03 × 88,786.52
  4. Step 4: Simplify right side
    160,406.67x = 19,651,833,427.36
  5. Step 5: Solve for x
    x = 19,651,833,427.36/160,406.67
  6. Step 6: Final answer
    x = 122,512.57

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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.