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Finding the Fourth Proportional to 236,611, 354,741.54 and 143,095.96

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Solution

The fourth proportional to 236,611, 354,741.54 and 143,095.96 is: 214,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,611 : 354,741.54 = 143,095.96 : x
  2. Step 2: Convert to fraction form
    236,611/354,741.54 = 143,095.96/x
  3. Step 3: Cross multiply
    236,611x = 354,741.54 × 143,095.96
  4. Step 4: Simplify right side
    236,611x = 50,762,081,218.18
  5. Step 5: Solve for x
    x = 50,762,081,218.18/236,611
  6. Step 6: Final answer
    x = 214,538.13

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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.