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Finding the Fourth Proportional to 213,900.84, 295,170.48 and 118,401.84

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Solution

The fourth proportional to 213,900.84, 295,170.48 and 118,401.84 is: 163,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,900.84 : 295,170.48 = 118,401.84 : x
  2. Step 2: Convert to fraction form
    213,900.84/295,170.48 = 118,401.84/x
  3. Step 3: Cross multiply
    213,900.84x = 295,170.48 × 118,401.84
  4. Step 4: Simplify right side
    213,900.84x = 34,948,727,945.68
  5. Step 5: Solve for x
    x = 34,948,727,945.68/213,900.84
  6. Step 6: Final answer
    x = 163,387.52

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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.