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Finding the Fourth Proportional to 170,602.77, 255,794.67 and 70,831.83

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Solution

The fourth proportional to 170,602.77, 255,794.67 and 70,831.83 is: 106,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,602.77 : 255,794.67 = 70,831.83 : x
  2. Step 2: Convert to fraction form
    170,602.77/255,794.67 = 70,831.83/x
  3. Step 3: Cross multiply
    170,602.77x = 255,794.67 × 70,831.83
  4. Step 4: Simplify right side
    170,602.77x = 18,118,404,580.35
  5. Step 5: Solve for x
    x = 18,118,404,580.35/170,602.77
  6. Step 6: Final answer
    x = 106,202.29

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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.