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Finding the Fourth Proportional to 352,036.98, 528,077.75 and 135,998.74

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Solution

The fourth proportional to 352,036.98, 528,077.75 and 135,998.74 is: 204,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,036.98 : 528,077.75 = 135,998.74 : x
  2. Step 2: Convert to fraction form
    352,036.98/528,077.75 = 135,998.74/x
  3. Step 3: Cross multiply
    352,036.98x = 528,077.75 × 135,998.74
  4. Step 4: Simplify right side
    352,036.98x = 71,817,908,622.04
  5. Step 5: Solve for x
    x = 71,817,908,622.04/352,036.98
  6. Step 6: Final answer
    x = 204,006.72

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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.