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Finding the Fourth Proportional to 168,155.74, 251,172.74 and 141,583.70

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Solution

The fourth proportional to 168,155.74, 251,172.74 and 141,583.70 is: 211,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,155.74 : 251,172.74 = 141,583.70 : x
  2. Step 2: Convert to fraction form
    168,155.74/251,172.74 = 141,583.70/x
  3. Step 3: Cross multiply
    168,155.74x = 251,172.74 × 141,583.70
  4. Step 4: Simplify right side
    168,155.74x = 35,561,965,868.34
  5. Step 5: Solve for x
    x = 35,561,965,868.34/168,155.74
  6. Step 6: Final answer
    x = 211,482.32

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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.