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Finding the Fourth Proportional to 171,467.20, 257,200.80 and 46,808.20

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Solution

The fourth proportional to 171,467.20, 257,200.80 and 46,808.20 is: 70,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,467.20 : 257,200.80 = 46,808.20 : x
  2. Step 2: Convert to fraction form
    171,467.20/257,200.80 = 46,808.20/x
  3. Step 3: Cross multiply
    171,467.20x = 257,200.80 × 46,808.20
  4. Step 4: Simplify right side
    171,467.20x = 12,039,106,486.56
  5. Step 5: Solve for x
    x = 12,039,106,486.56/171,467.20
  6. Step 6: Final answer
    x = 70,212.30

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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.