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Finding the Fourth Proportional to 141,161.67, 194,804.73 and 77,498.10

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Solution

The fourth proportional to 141,161.67, 194,804.73 and 77,498.10 is: 106,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.67 : 194,804.73 = 77,498.10 : x
  2. Step 2: Convert to fraction form
    141,161.67/194,804.73 = 77,498.10/x
  3. Step 3: Cross multiply
    141,161.67x = 194,804.73 × 77,498.10
  4. Step 4: Simplify right side
    141,161.67x = 15,096,996,446.01
  5. Step 5: Solve for x
    x = 15,096,996,446.01/141,161.67
  6. Step 6: Final answer
    x = 106,948.27

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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.