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Finding the Fourth Proportional to 224,969.96, 310,492.35 and 129,458.21

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Solution

The fourth proportional to 224,969.96, 310,492.35 and 129,458.21 is: 178,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,969.96 : 310,492.35 = 129,458.21 : x
  2. Step 2: Convert to fraction form
    224,969.96/310,492.35 = 129,458.21/x
  3. Step 3: Cross multiply
    224,969.96x = 310,492.35 × 129,458.21
  4. Step 4: Simplify right side
    224,969.96x = 40,195,782,297.23
  5. Step 5: Solve for x
    x = 40,195,782,297.23/224,969.96
  6. Step 6: Final answer
    x = 178,671.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.