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Finding the Fourth Proportional to 234,450.40, 323,541.12 and 127,023.10

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Solution

The fourth proportional to 234,450.40, 323,541.12 and 127,023.10 is: 175,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,450.40 : 323,541.12 = 127,023.10 : x
  2. Step 2: Convert to fraction form
    234,450.40/323,541.12 = 127,023.10/x
  3. Step 3: Cross multiply
    234,450.40x = 323,541.12 × 127,023.10
  4. Step 4: Simplify right side
    234,450.40x = 41,097,196,039.87
  5. Step 5: Solve for x
    x = 41,097,196,039.87/234,450.40
  6. Step 6: Final answer
    x = 175,291.64

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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.