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Finding the Fourth Proportional to 228,047.40, 341,956.35 and 70,255.35

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Solution

The fourth proportional to 228,047.40, 341,956.35 and 70,255.35 is: 105,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,047.40 : 341,956.35 = 70,255.35 : x
  2. Step 2: Convert to fraction form
    228,047.40/341,956.35 = 70,255.35/x
  3. Step 3: Cross multiply
    228,047.40x = 341,956.35 × 70,255.35
  4. Step 4: Simplify right side
    228,047.40x = 24,024,263,053.97
  5. Step 5: Solve for x
    x = 24,024,263,053.97/228,047.40
  6. Step 6: Final answer
    x = 105,347.67

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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.