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Finding the Fourth Proportional to 236,847.36, 355,095.36 and 143,330.88

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Solution

The fourth proportional to 236,847.36, 355,095.36 and 143,330.88 is: 214,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,847.36 : 355,095.36 = 143,330.88 : x
  2. Step 2: Convert to fraction form
    236,847.36/355,095.36 = 143,330.88/x
  3. Step 3: Cross multiply
    236,847.36x = 355,095.36 × 143,330.88
  4. Step 4: Simplify right side
    236,847.36x = 50,896,130,432.72
  5. Step 5: Solve for x
    x = 50,896,130,432.72/236,847.36
  6. Step 6: Final answer
    x = 214,890.01

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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.