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Finding the Fourth Proportional to 354,536.49, 531,723.73 and 101,815.01

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Solution

The fourth proportional to 354,536.49, 531,723.73 and 101,815.01 is: 152,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,536.49 : 531,723.73 = 101,815.01 : x
  2. Step 2: Convert to fraction form
    354,536.49/531,723.73 = 101,815.01/x
  3. Step 3: Cross multiply
    354,536.49x = 531,723.73 × 101,815.01
  4. Step 4: Simplify right side
    354,536.49x = 54,137,456,887.19
  5. Step 5: Solve for x
    x = 54,137,456,887.19/354,536.49
  6. Step 6: Final answer
    x = 152,699.25

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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.