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Finding the Fourth Proportional to 301,551.58, 416,142.33 and 163,730.72

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Solution

The fourth proportional to 301,551.58, 416,142.33 and 163,730.72 is: 225,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,551.58 : 416,142.33 = 163,730.72 : x
  2. Step 2: Convert to fraction form
    301,551.58/416,142.33 = 163,730.72/x
  3. Step 3: Cross multiply
    301,551.58x = 416,142.33 × 163,730.72
  4. Step 4: Simplify right side
    301,551.58x = 68,135,282,494.72
  5. Step 5: Solve for x
    x = 68,135,282,494.72/301,551.58
  6. Step 6: Final answer
    x = 225,949.02

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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.