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Finding the Fourth Proportional to 117,002.70, 175,504.05 and 89,354.70

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Solution

The fourth proportional to 117,002.70, 175,504.05 and 89,354.70 is: 134,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,002.70 : 175,504.05 = 89,354.70 : x
  2. Step 2: Convert to fraction form
    117,002.70/175,504.05 = 89,354.70/x
  3. Step 3: Cross multiply
    117,002.70x = 175,504.05 × 89,354.70
  4. Step 4: Simplify right side
    117,002.70x = 15,682,111,736.54
  5. Step 5: Solve for x
    x = 15,682,111,736.54/117,002.70
  6. Step 6: Final answer
    x = 134,032.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.