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Finding the Fourth Proportional to 191,619.84, 264,222.72 and 157,059.84

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Solution

The fourth proportional to 191,619.84, 264,222.72 and 157,059.84 is: 216,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,619.84 : 264,222.72 = 157,059.84 : x
  2. Step 2: Convert to fraction form
    191,619.84/264,222.72 = 157,059.84/x
  3. Step 3: Cross multiply
    191,619.84x = 264,222.72 × 157,059.84
  4. Step 4: Simplify right side
    191,619.84x = 41,498,778,127.56
  5. Step 5: Solve for x
    x = 41,498,778,127.56/191,619.84
  6. Step 6: Final answer
    x = 216,568.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.