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Finding the Fourth Proportional to 67,616.20, 101,424.30 and 62,075.80

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Solution

The fourth proportional to 67,616.20, 101,424.30 and 62,075.80 is: 93,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.20 : 101,424.30 = 62,075.80 : x
  2. Step 2: Convert to fraction form
    67,616.20/101,424.30 = 62,075.80/x
  3. Step 3: Cross multiply
    67,616.20x = 101,424.30 × 62,075.80
  4. Step 4: Simplify right side
    67,616.20x = 6,295,994,561.94
  5. Step 5: Solve for x
    x = 6,295,994,561.94/67,616.20
  6. Step 6: Final answer
    x = 93,113.70

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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.