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Finding the Fourth Proportional to 216,164.72, 298,284.64 and 125,502.97

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Solution

The fourth proportional to 216,164.72, 298,284.64 and 125,502.97 is: 173,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,164.72 : 298,284.64 = 125,502.97 : x
  2. Step 2: Convert to fraction form
    216,164.72/298,284.64 = 125,502.97/x
  3. Step 3: Cross multiply
    216,164.72x = 298,284.64 × 125,502.97
  4. Step 4: Simplify right side
    216,164.72x = 37,435,608,225.38
  5. Step 5: Solve for x
    x = 37,435,608,225.38/216,164.72
  6. Step 6: Final answer
    x = 173,180.93

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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.