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Finding the Fourth Proportional to 100,153.50, 150,113.52 and 55,759.02

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Solution

The fourth proportional to 100,153.50, 150,113.52 and 55,759.02 is: 83,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,153.50 : 150,113.52 = 55,759.02 : x
  2. Step 2: Convert to fraction form
    100,153.50/150,113.52 = 55,759.02/x
  3. Step 3: Cross multiply
    100,153.50x = 150,113.52 × 55,759.02
  4. Step 4: Simplify right side
    100,153.50x = 8,370,182,763.95
  5. Step 5: Solve for x
    x = 8,370,182,763.95/100,153.50
  6. Step 6: Final answer
    x = 83,573.54

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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.