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Finding the Fourth Proportional to 134,003.80, 201,005.70 and 126,746.20

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Solution

The fourth proportional to 134,003.80, 201,005.70 and 126,746.20 is: 190,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,003.80 : 201,005.70 = 126,746.20 : x
  2. Step 2: Convert to fraction form
    134,003.80/201,005.70 = 126,746.20/x
  3. Step 3: Cross multiply
    134,003.80x = 201,005.70 × 126,746.20
  4. Step 4: Simplify right side
    134,003.80x = 25,476,708,653.34
  5. Step 5: Solve for x
    x = 25,476,708,653.34/134,003.80
  6. Step 6: Final answer
    x = 190,119.30

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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.