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Finding the Fourth Proportional to 170,467.20, 255,700.44 and 45,808.20

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Solution

The fourth proportional to 170,467.20, 255,700.44 and 45,808.20 is: 68,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,467.20 : 255,700.44 = 45,808.20 : x
  2. Step 2: Convert to fraction form
    170,467.20/255,700.44 = 45,808.20/x
  3. Step 3: Cross multiply
    170,467.20x = 255,700.44 × 45,808.20
  4. Step 4: Simplify right side
    170,467.20x = 11,713,176,895.61
  5. Step 5: Solve for x
    x = 11,713,176,895.61/170,467.20
  6. Step 6: Final answer
    x = 68,712.20

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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.