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Finding the Fourth Proportional to 151,060, 208,463.16 and 84,004.96

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Solution

The fourth proportional to 151,060, 208,463.16 and 84,004.96 is: 115,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,060 : 208,463.16 = 84,004.96 : x
  2. Step 2: Convert to fraction form
    151,060/208,463.16 = 84,004.96/x
  3. Step 3: Cross multiply
    151,060x = 208,463.16 × 84,004.96
  4. Step 4: Simplify right side
    151,060x = 17,511,939,417.27
  5. Step 5: Solve for x
    x = 17,511,939,417.27/151,060
  6. Step 6: Final answer
    x = 115,927.04

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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.