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Finding the Fourth Proportional to 110,750.75, 152,782.85 and 72,493.44

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Solution

The fourth proportional to 110,750.75, 152,782.85 and 72,493.44 is: 100,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,750.75 : 152,782.85 = 72,493.44 : x
  2. Step 2: Convert to fraction form
    110,750.75/152,782.85 = 72,493.44/x
  3. Step 3: Cross multiply
    110,750.75x = 152,782.85 × 72,493.44
  4. Step 4: Simplify right side
    110,750.75x = 11,075,754,550.74
  5. Step 5: Solve for x
    x = 11,075,754,550.74/110,750.75
  6. Step 6: Final answer
    x = 100,006.13

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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.