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Finding the Fourth Proportional to 100,050.41, 150,075.84 and 40,886.08

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Solution

The fourth proportional to 100,050.41, 150,075.84 and 40,886.08 is: 61,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,050.41 : 150,075.84 = 40,886.08 : x
  2. Step 2: Convert to fraction form
    100,050.41/150,075.84 = 40,886.08/x
  3. Step 3: Cross multiply
    100,050.41x = 150,075.84 × 40,886.08
  4. Step 4: Simplify right side
    100,050.41x = 6,136,012,800.31
  5. Step 5: Solve for x
    x = 6,136,012,800.31/100,050.41
  6. Step 6: Final answer
    x = 61,329.21

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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.