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Finding the Fourth Proportional to 356,901.98, 535,351.64 and 87,027.02

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Solution

The fourth proportional to 356,901.98, 535,351.64 and 87,027.02 is: 130,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,901.98 : 535,351.64 = 87,027.02 : x
  2. Step 2: Convert to fraction form
    356,901.98/535,351.64 = 87,027.02/x
  3. Step 3: Cross multiply
    356,901.98x = 535,351.64 × 87,027.02
  4. Step 4: Simplify right side
    356,901.98x = 46,590,059,437.26
  5. Step 5: Solve for x
    x = 46,590,059,437.26/356,901.98
  6. Step 6: Final answer
    x = 130,540.21

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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.