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Finding the Fourth Proportional to 160,017.78, 220,831.25 and 92,034.77

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Solution

The fourth proportional to 160,017.78, 220,831.25 and 92,034.77 is: 127,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,017.78 : 220,831.25 = 92,034.77 : x
  2. Step 2: Convert to fraction form
    160,017.78/220,831.25 = 92,034.77/x
  3. Step 3: Cross multiply
    160,017.78x = 220,831.25 × 92,034.77
  4. Step 4: Simplify right side
    160,017.78x = 20,324,153,394.47
  5. Step 5: Solve for x
    x = 20,324,153,394.47/160,017.78
  6. Step 6: Final answer
    x = 127,011.84

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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.