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Finding the Fourth Proportional to 235,028.70, 352,603.80 and 101,878.20

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Solution

The fourth proportional to 235,028.70, 352,603.80 and 101,878.20 is: 152,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,028.70 : 352,603.80 = 101,878.20 : x
  2. Step 2: Convert to fraction form
    235,028.70/352,603.80 = 101,878.20/x
  3. Step 3: Cross multiply
    235,028.70x = 352,603.80 × 101,878.20
  4. Step 4: Simplify right side
    235,028.70x = 35,922,640,457.16
  5. Step 5: Solve for x
    x = 35,922,640,457.16/235,028.70
  6. Step 6: Final answer
    x = 152,843.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.