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Finding the Fourth Proportional to 371,075.88, 556,157.64 and 171,118.68

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Solution

The fourth proportional to 371,075.88, 556,157.64 and 171,118.68 is: 256,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,075.88 : 556,157.64 = 171,118.68 : x
  2. Step 2: Convert to fraction form
    371,075.88/556,157.64 = 171,118.68/x
  3. Step 3: Cross multiply
    371,075.88x = 556,157.64 × 171,118.68
  4. Step 4: Simplify right side
    371,075.88x = 95,168,961,228.72
  5. Step 5: Solve for x
    x = 95,168,961,228.72/371,075.88
  6. Step 6: Final answer
    x = 256,467.66

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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.