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Finding the Fourth Proportional to 160,361.70, 221,293.70 and 88,744.74

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Solution

The fourth proportional to 160,361.70, 221,293.70 and 88,744.74 is: 122,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,361.70 : 221,293.70 = 88,744.74 : x
  2. Step 2: Convert to fraction form
    160,361.70/221,293.70 = 88,744.74/x
  3. Step 3: Cross multiply
    160,361.70x = 221,293.70 × 88,744.74
  4. Step 4: Simplify right side
    160,361.70x = 19,638,651,870.14
  5. Step 5: Solve for x
    x = 19,638,651,870.14/160,361.70
  6. Step 6: Final answer
    x = 122,464.73

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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.