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Finding the Fourth Proportional to 228,384, 342,608.67 and 70,624.62

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Solution

The fourth proportional to 228,384, 342,608.67 and 70,624.62 is: 105,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,384 : 342,608.67 = 70,624.62 : x
  2. Step 2: Convert to fraction form
    228,384/342,608.67 = 70,624.62/x
  3. Step 3: Cross multiply
    228,384x = 342,608.67 × 70,624.62
  4. Step 4: Simplify right side
    228,384x = 24,196,607,127.46
  5. Step 5: Solve for x
    x = 24,196,607,127.46/228,384
  6. Step 6: Final answer
    x = 105,947.03

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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.