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Finding the Fourth Proportional to 117,819.67, 175,397.01 and 117,119.14

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Solution

The fourth proportional to 117,819.67, 175,397.01 and 117,119.14 is: 174,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,819.67 : 175,397.01 = 117,119.14 : x
  2. Step 2: Convert to fraction form
    117,819.67/175,397.01 = 117,119.14/x
  3. Step 3: Cross multiply
    117,819.67x = 175,397.01 × 117,119.14
  4. Step 4: Simplify right side
    117,819.67x = 20,542,346,969.77
  5. Step 5: Solve for x
    x = 20,542,346,969.77/117,819.67
  6. Step 6: Final answer
    x = 174,354.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.