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Finding the Fourth Proportional to 168,443.10, 252,701.10 and 50,126.40

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Solution

The fourth proportional to 168,443.10, 252,701.10 and 50,126.40 is: 75,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443.10 : 252,701.10 = 50,126.40 : x
  2. Step 2: Convert to fraction form
    168,443.10/252,701.10 = 50,126.40/x
  3. Step 3: Cross multiply
    168,443.10x = 252,701.10 × 50,126.40
  4. Step 4: Simplify right side
    168,443.10x = 12,666,996,419.04
  5. Step 5: Solve for x
    x = 12,666,996,419.04/168,443.10
  6. Step 6: Final answer
    x = 75,200.45

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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.