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Finding the Fourth Proportional to 216,055.73, 298,173.89 and 119,278.82

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Solution

The fourth proportional to 216,055.73, 298,173.89 and 119,278.82 is: 164,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,055.73 : 298,173.89 = 119,278.82 : x
  2. Step 2: Convert to fraction form
    216,055.73/298,173.89 = 119,278.82/x
  3. Step 3: Cross multiply
    216,055.73x = 298,173.89 × 119,278.82
  4. Step 4: Simplify right side
    216,055.73x = 35,565,829,903.05
  5. Step 5: Solve for x
    x = 35,565,829,903.05/216,055.73
  6. Step 6: Final answer
    x = 164,614.15

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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.