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Finding the Fourth Proportional to 213,937.94, 295,265.45 and 123,276.26

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Solution

The fourth proportional to 213,937.94, 295,265.45 and 123,276.26 is: 170,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,937.94 : 295,265.45 = 123,276.26 : x
  2. Step 2: Convert to fraction form
    213,937.94/295,265.45 = 123,276.26/x
  3. Step 3: Cross multiply
    213,937.94x = 295,265.45 × 123,276.26
  4. Step 4: Simplify right side
    213,937.94x = 36,399,219,766.84
  5. Step 5: Solve for x
    x = 36,399,219,766.84/213,937.94
  6. Step 6: Final answer
    x = 170,139.15

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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.