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Finding the Fourth Proportional to 206,852.40, 310,278.60 and 88,754.40

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Solution

The fourth proportional to 206,852.40, 310,278.60 and 88,754.40 is: 133,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,852.40 : 310,278.60 = 88,754.40 : x
  2. Step 2: Convert to fraction form
    206,852.40/310,278.60 = 88,754.40/x
  3. Step 3: Cross multiply
    206,852.40x = 310,278.60 × 88,754.40
  4. Step 4: Simplify right side
    206,852.40x = 27,538,590,975.84
  5. Step 5: Solve for x
    x = 27,538,590,975.84/206,852.40
  6. Step 6: Final answer
    x = 133,131.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.