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Finding the Fourth Proportional to 228,396.58, 342,368.88 and 108,242.34

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Solution

The fourth proportional to 228,396.58, 342,368.88 and 108,242.34 is: 162,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,396.58 : 342,368.88 = 108,242.34 : x
  2. Step 2: Convert to fraction form
    228,396.58/342,368.88 = 108,242.34/x
  3. Step 3: Cross multiply
    228,396.58x = 342,368.88 × 108,242.34
  4. Step 4: Simplify right side
    228,396.58x = 37,058,808,950.41
  5. Step 5: Solve for x
    x = 37,058,808,950.41/228,396.58
  6. Step 6: Final answer
    x = 162,256.41

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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.