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Finding the Fourth Proportional to 170,655.41, 255,953.95 and 45,967.25

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Solution

The fourth proportional to 170,655.41, 255,953.95 and 45,967.25 is: 68,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,655.41 : 255,953.95 = 45,967.25 : x
  2. Step 2: Convert to fraction form
    170,655.41/255,953.95 = 45,967.25/x
  3. Step 3: Cross multiply
    170,655.41x = 255,953.95 × 45,967.25
  4. Step 4: Simplify right side
    170,655.41x = 11,765,499,208.14
  5. Step 5: Solve for x
    x = 11,765,499,208.14/170,655.41
  6. Step 6: Final answer
    x = 68,943.02

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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.