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Finding the Fourth Proportional to 163,206.80, 244,810.20 and 136,768.40

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Solution

The fourth proportional to 163,206.80, 244,810.20 and 136,768.40 is: 205,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,206.80 : 244,810.20 = 136,768.40 : x
  2. Step 2: Convert to fraction form
    163,206.80/244,810.20 = 136,768.40/x
  3. Step 3: Cross multiply
    163,206.80x = 244,810.20 × 136,768.40
  4. Step 4: Simplify right side
    163,206.80x = 33,482,299,357.68
  5. Step 5: Solve for x
    x = 33,482,299,357.68/163,206.80
  6. Step 6: Final answer
    x = 205,152.60

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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.