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Finding the Fourth Proportional to 160,418.56, 221,374.94 and 88,797.06

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Solution

The fourth proportional to 160,418.56, 221,374.94 and 88,797.06 is: 122,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,418.56 : 221,374.94 = 88,797.06 : x
  2. Step 2: Convert to fraction form
    160,418.56/221,374.94 = 88,797.06/x
  3. Step 3: Cross multiply
    160,418.56x = 221,374.94 × 88,797.06
  4. Step 4: Simplify right side
    160,418.56x = 19,657,443,829.68
  5. Step 5: Solve for x
    x = 19,657,443,829.68/160,418.56
  6. Step 6: Final answer
    x = 122,538.46

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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.