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Finding the Fourth Proportional to 157,463.63, 236,331.95 and 82,636.64

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Solution

The fourth proportional to 157,463.63, 236,331.95 and 82,636.64 is: 124,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,463.63 : 236,331.95 = 82,636.64 : x
  2. Step 2: Convert to fraction form
    157,463.63/236,331.95 = 82,636.64/x
  3. Step 3: Cross multiply
    157,463.63x = 236,331.95 × 82,636.64
  4. Step 4: Simplify right side
    157,463.63x = 19,529,677,564.05
  5. Step 5: Solve for x
    x = 19,529,677,564.05/157,463.63
  6. Step 6: Final answer
    x = 124,026.59

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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.