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Finding the Fourth Proportional to 170,249.15, 255,373.03 and 51,920.15

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Solution

The fourth proportional to 170,249.15, 255,373.03 and 51,920.15 is: 77,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,249.15 : 255,373.03 = 51,920.15 : x
  2. Step 2: Convert to fraction form
    170,249.15/255,373.03 = 51,920.15/x
  3. Step 3: Cross multiply
    170,249.15x = 255,373.03 × 51,920.15
  4. Step 4: Simplify right side
    170,249.15x = 13,259,006,023.55
  5. Step 5: Solve for x
    x = 13,259,006,023.55/170,249.15
  6. Step 6: Final answer
    x = 77,880.01

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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.