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Finding the Fourth Proportional to 160,018.28, 220,831.94 and 92,035.28

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Solution

The fourth proportional to 160,018.28, 220,831.94 and 92,035.28 is: 127,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,018.28 : 220,831.94 = 92,035.28 : x
  2. Step 2: Convert to fraction form
    160,018.28/220,831.94 = 92,035.28/x
  3. Step 3: Cross multiply
    160,018.28x = 220,831.94 × 92,035.28
  4. Step 4: Simplify right side
    160,018.28x = 20,324,327,866.51
  5. Step 5: Solve for x
    x = 20,324,327,866.51/160,018.28
  6. Step 6: Final answer
    x = 127,012.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.