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Finding the Fourth Proportional to 173,118.70, 259,678.05 and 170,202.70

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Solution

The fourth proportional to 173,118.70, 259,678.05 and 170,202.70 is: 255,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,118.70 : 259,678.05 = 170,202.70 : x
  2. Step 2: Convert to fraction form
    173,118.70/259,678.05 = 170,202.70/x
  3. Step 3: Cross multiply
    173,118.70x = 259,678.05 × 170,202.70
  4. Step 4: Simplify right side
    173,118.70x = 44,197,905,240.74
  5. Step 5: Solve for x
    x = 44,197,905,240.74/173,118.70
  6. Step 6: Final answer
    x = 255,304.05

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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.