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Finding the Fourth Proportional to 213,881.34, 295,152.54 and 118,385.94

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Solution

The fourth proportional to 213,881.34, 295,152.54 and 118,385.94 is: 163,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,881.34 : 295,152.54 = 118,385.94 : x
  2. Step 2: Convert to fraction form
    213,881.34/295,152.54 = 118,385.94/x
  3. Step 3: Cross multiply
    213,881.34x = 295,152.54 × 118,385.94
  4. Step 4: Simplify right side
    213,881.34x = 34,941,910,891.29
  5. Step 5: Solve for x
    x = 34,941,910,891.29/213,881.34
  6. Step 6: Final answer
    x = 163,370.54

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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.