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Finding the Fourth Proportional to 208,164.54, 312,038.55 and 95,925.81

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Solution

The fourth proportional to 208,164.54, 312,038.55 and 95,925.81 is: 143,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,164.54 : 312,038.55 = 95,925.81 : x
  2. Step 2: Convert to fraction form
    208,164.54/312,038.55 = 95,925.81/x
  3. Step 3: Cross multiply
    208,164.54x = 312,038.55 × 95,925.81
  4. Step 4: Simplify right side
    208,164.54x = 29,932,550,659.98
  5. Step 5: Solve for x
    x = 29,932,550,659.98/208,164.54
  6. Step 6: Final answer
    x = 143,792.75

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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.