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Finding the Fourth Proportional to 228,312.03, 342,470.34 and 101,958.67

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Solution

The fourth proportional to 228,312.03, 342,470.34 and 101,958.67 is: 152,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,312.03 : 342,470.34 = 101,958.67 : x
  2. Step 2: Convert to fraction form
    228,312.03/342,470.34 = 101,958.67/x
  3. Step 3: Cross multiply
    228,312.03x = 342,470.34 × 101,958.67
  4. Step 4: Simplify right side
    228,312.03x = 34,917,820,380.85
  5. Step 5: Solve for x
    x = 34,917,820,380.85/228,312.03
  6. Step 6: Final answer
    x = 152,939.03

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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.