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Finding the Fourth Proportional to 234,131.64, 323,101.66 and 126,701.67

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Solution

The fourth proportional to 234,131.64, 323,101.66 and 126,701.67 is: 174,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,131.64 : 323,101.66 = 126,701.67 : x
  2. Step 2: Convert to fraction form
    234,131.64/323,101.66 = 126,701.67/x
  3. Step 3: Cross multiply
    234,131.64x = 323,101.66 × 126,701.67
  4. Step 4: Simplify right side
    234,131.64x = 40,937,519,901.77
  5. Step 5: Solve for x
    x = 40,937,519,901.77/234,131.64
  6. Step 6: Final answer
    x = 174,848.30

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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.