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Finding the Fourth Proportional to 207,255.92, 286,021.94 and 116,615.70

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Solution

The fourth proportional to 207,255.92, 286,021.94 and 116,615.70 is: 160,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,255.92 : 286,021.94 = 116,615.70 : x
  2. Step 2: Convert to fraction form
    207,255.92/286,021.94 = 116,615.70/x
  3. Step 3: Cross multiply
    207,255.92x = 286,021.94 × 116,615.70
  4. Step 4: Simplify right side
    207,255.92x = 33,354,648,165.38
  5. Step 5: Solve for x
    x = 33,354,648,165.38/207,255.92
  6. Step 6: Final answer
    x = 160,934.60

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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.