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Finding the Fourth Proportional to 213,892.25, 295,171.30 and 118,398.94

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Solution

The fourth proportional to 213,892.25, 295,171.30 and 118,398.94 is: 163,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,892.25 : 295,171.30 = 118,398.94 : x
  2. Step 2: Convert to fraction form
    213,892.25/295,171.30 = 118,398.94/x
  3. Step 3: Cross multiply
    213,892.25x = 295,171.30 × 118,398.94
  4. Step 4: Simplify right side
    213,892.25x = 34,947,969,038.42
  5. Step 5: Solve for x
    x = 34,947,969,038.42/213,892.25
  6. Step 6: Final answer
    x = 163,390.53

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1.5x scale

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.