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Finding the Fourth Proportional to 401,002.92, 601,533.90 and 134,761.50

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Solution

The fourth proportional to 401,002.92, 601,533.90 and 134,761.50 is: 202,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,002.92 : 601,533.90 = 134,761.50 : x
  2. Step 2: Convert to fraction form
    401,002.92/601,533.90 = 134,761.50/x
  3. Step 3: Cross multiply
    401,002.92x = 601,533.90 × 134,761.50
  4. Step 4: Simplify right side
    401,002.92x = 81,063,610,664.85
  5. Step 5: Solve for x
    x = 81,063,610,664.85/401,002.92
  6. Step 6: Final answer
    x = 202,152.17

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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.