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Finding the Fourth Proportional to 228,953.80, 343,483.01 and 79,193.96

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Solution

The fourth proportional to 228,953.80, 343,483.01 and 79,193.96 is: 118,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,953.80 : 343,483.01 = 79,193.96 : x
  2. Step 2: Convert to fraction form
    228,953.80/343,483.01 = 79,193.96/x
  3. Step 3: Cross multiply
    228,953.80x = 343,483.01 × 79,193.96
  4. Step 4: Simplify right side
    228,953.80x = 27,201,779,358.65
  5. Step 5: Solve for x
    x = 27,201,779,358.65/228,953.80
  6. Step 6: Final answer
    x = 118,809.03

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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.