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Finding the Fourth Proportional to 253,698.06, 350,075.07 and 140,492.46

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Solution

The fourth proportional to 253,698.06, 350,075.07 and 140,492.46 is: 193,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,698.06 : 350,075.07 = 140,492.46 : x
  2. Step 2: Convert to fraction form
    253,698.06/350,075.07 = 140,492.46/x
  3. Step 3: Cross multiply
    253,698.06x = 350,075.07 × 140,492.46
  4. Step 4: Simplify right side
    253,698.06x = 49,182,907,768.97
  5. Step 5: Solve for x
    x = 49,182,907,768.97/253,698.06
  6. Step 6: Final answer
    x = 193,863.95

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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.