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Finding the Fourth Proportional to 141,105.56, 194,755.74 and 84,549.74

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Solution

The fourth proportional to 141,105.56, 194,755.74 and 84,549.74 is: 116,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,105.56 : 194,755.74 = 84,549.74 : x
  2. Step 2: Convert to fraction form
    141,105.56/194,755.74 = 84,549.74/x
  3. Step 3: Cross multiply
    141,105.56x = 194,755.74 × 84,549.74
  4. Step 4: Simplify right side
    141,105.56x = 16,466,547,180.51
  5. Step 5: Solve for x
    x = 16,466,547,180.51/141,105.56
  6. Step 6: Final answer
    x = 116,696.66

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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.