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Finding the Fourth Proportional to 172,246.38, 237,746.76 and 111,813.49

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Solution

The fourth proportional to 172,246.38, 237,746.76 and 111,813.49 is: 154,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,246.38 : 237,746.76 = 111,813.49 : x
  2. Step 2: Convert to fraction form
    172,246.38/237,746.76 = 111,813.49/x
  3. Step 3: Cross multiply
    172,246.38x = 237,746.76 × 111,813.49
  4. Step 4: Simplify right side
    172,246.38x = 26,583,294,971.79
  5. Step 5: Solve for x
    x = 26,583,294,971.79/172,246.38
  6. Step 6: Final answer
    x = 154,332.97

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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.