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Finding the Fourth Proportional to 227,855.16, 341,831.21 and 78,055.25

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Solution

The fourth proportional to 227,855.16, 341,831.21 and 78,055.25 is: 117,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,855.16 : 341,831.21 = 78,055.25 : x
  2. Step 2: Convert to fraction form
    227,855.16/341,831.21 = 78,055.25/x
  3. Step 3: Cross multiply
    227,855.16x = 341,831.21 × 78,055.25
  4. Step 4: Simplify right side
    227,855.16x = 26,681,718,454.92
  5. Step 5: Solve for x
    x = 26,681,718,454.92/227,855.16
  6. Step 6: Final answer
    x = 117,099.47

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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.