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Finding the Fourth Proportional to 228,528.45, 342,824.54 and 95,378.22

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Solution

The fourth proportional to 228,528.45, 342,824.54 and 95,378.22 is: 143,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528.45 : 342,824.54 = 95,378.22 : x
  2. Step 2: Convert to fraction form
    228,528.45/342,824.54 = 95,378.22/x
  3. Step 3: Cross multiply
    228,528.45x = 342,824.54 × 95,378.22
  4. Step 4: Simplify right side
    228,528.45x = 32,697,993,920.63
  5. Step 5: Solve for x
    x = 32,697,993,920.63/228,528.45
  6. Step 6: Final answer
    x = 143,080.63

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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.