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Finding the Fourth Proportional to 216,833.53, 325,075.00 and 90,570.50

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Solution

The fourth proportional to 216,833.53, 325,075.00 and 90,570.50 is: 135,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,833.53 : 325,075.00 = 90,570.50 : x
  2. Step 2: Convert to fraction form
    216,833.53/325,075.00 = 90,570.50/x
  3. Step 3: Cross multiply
    216,833.53x = 325,075.00 × 90,570.50
  4. Step 4: Simplify right side
    216,833.53x = 29,442,206,398.37
  5. Step 5: Solve for x
    x = 29,442,206,398.37/216,833.53
  6. Step 6: Final answer
    x = 135,782.53

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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.