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Finding the Fourth Proportional to 228,158.76, 342,238.18 and 61,946.76

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Solution

The fourth proportional to 228,158.76, 342,238.18 and 61,946.76 is: 92,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,158.76 : 342,238.18 = 61,946.76 : x
  2. Step 2: Convert to fraction form
    228,158.76/342,238.18 = 61,946.76/x
  3. Step 3: Cross multiply
    228,158.76x = 342,238.18 × 61,946.76
  4. Step 4: Simplify right side
    228,158.76x = 21,200,546,399.30
  5. Step 5: Solve for x
    x = 21,200,546,399.30/228,158.76
  6. Step 6: Final answer
    x = 92,920.15

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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.