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Finding the Fourth Proportional to 207,237.78, 286,013.57 and 116,597.70

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Solution

The fourth proportional to 207,237.78, 286,013.57 and 116,597.70 is: 160,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,237.78 : 286,013.57 = 116,597.70 : x
  2. Step 2: Convert to fraction form
    207,237.78/286,013.57 = 116,597.70/x
  3. Step 3: Cross multiply
    207,237.78x = 286,013.57 × 116,597.70
  4. Step 4: Simplify right side
    207,237.78x = 33,348,523,847.80
  5. Step 5: Solve for x
    x = 33,348,523,847.80/207,237.78
  6. Step 6: Final answer
    x = 160,919.13

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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.