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Finding the Fourth Proportional to 121,168.25, 181,738.46 and 32,428.67

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Solution

The fourth proportional to 121,168.25, 181,738.46 and 32,428.67 is: 48,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168.25 : 181,738.46 = 32,428.67 : x
  2. Step 2: Convert to fraction form
    121,168.25/181,738.46 = 32,428.67/x
  3. Step 3: Cross multiply
    121,168.25x = 181,738.46 × 32,428.67
  4. Step 4: Simplify right side
    121,168.25x = 5,893,537,081.07
  5. Step 5: Solve for x
    x = 5,893,537,081.07/121,168.25
  6. Step 6: Final answer
    x = 48,639.29

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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.