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Finding the Fourth Proportional to 234,423, 323,503.42 and 126,993.46

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Solution

The fourth proportional to 234,423, 323,503.42 and 126,993.46 is: 175,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,423 : 323,503.42 = 126,993.46 : x
  2. Step 2: Convert to fraction form
    234,423/323,503.42 = 126,993.46/x
  3. Step 3: Cross multiply
    234,423x = 323,503.42 × 126,993.46
  4. Step 4: Simplify right side
    234,423x = 41,082,818,627.63
  5. Step 5: Solve for x
    x = 41,082,818,627.63/234,423
  6. Step 6: Final answer
    x = 175,250.80

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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.