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Finding the Fourth Proportional to 400,952.50, 601,518.42 and 134,705.70

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Solution

The fourth proportional to 400,952.50, 601,518.42 and 134,705.70 is: 202,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,952.50 : 601,518.42 = 134,705.70 : x
  2. Step 2: Convert to fraction form
    400,952.50/601,518.42 = 134,705.70/x
  3. Step 3: Cross multiply
    400,952.50x = 601,518.42 × 134,705.70
  4. Step 4: Simplify right side
    400,952.50x = 81,027,956,147.87
  5. Step 5: Solve for x
    x = 81,027,956,147.87/400,952.50
  6. Step 6: Final answer
    x = 202,088.67

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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.