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Finding the Fourth Proportional to 191,554.36, 264,352 and 118,997.24

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Solution

The fourth proportional to 191,554.36, 264,352 and 118,997.24 is: 164,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,554.36 : 264,352 = 118,997.24 : x
  2. Step 2: Convert to fraction form
    191,554.36/264,352 = 118,997.24/x
  3. Step 3: Cross multiply
    191,554.36x = 264,352 × 118,997.24
  4. Step 4: Simplify right side
    191,554.36x = 31,457,158,388.48
  5. Step 5: Solve for x
    x = 31,457,158,388.48/191,554.36
  6. Step 6: Final answer
    x = 164,220.53

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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.