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Finding the Fourth Proportional to 228,327.16, 342,450.65 and 70,556.98

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Solution

The fourth proportional to 228,327.16, 342,450.65 and 70,556.98 is: 105,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327.16 : 342,450.65 = 70,556.98 : x
  2. Step 2: Convert to fraction form
    228,327.16/342,450.65 = 70,556.98/x
  3. Step 3: Cross multiply
    228,327.16x = 342,450.65 × 70,556.98
  4. Step 4: Simplify right side
    228,327.16x = 24,162,283,663.04
  5. Step 5: Solve for x
    x = 24,162,283,663.04/228,327.16
  6. Step 6: Final answer
    x = 105,823.08

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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.