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Finding the Fourth Proportional to 321,577.51, 482,209.98 and 96,896.06

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Solution

The fourth proportional to 321,577.51, 482,209.98 and 96,896.06 is: 145,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,577.51 : 482,209.98 = 96,896.06 : x
  2. Step 2: Convert to fraction form
    321,577.51/482,209.98 = 96,896.06/x
  3. Step 3: Cross multiply
    321,577.51x = 482,209.98 × 96,896.06
  4. Step 4: Simplify right side
    321,577.51x = 46,724,248,900.99
  5. Step 5: Solve for x
    x = 46,724,248,900.99/321,577.51
  6. Step 6: Final answer
    x = 145,297.00

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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.