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Finding the Fourth Proportional to 355,075.38, 532,617.93 and 118,418.22

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Solution

The fourth proportional to 355,075.38, 532,617.93 and 118,418.22 is: 177,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,075.38 : 532,617.93 = 118,418.22 : x
  2. Step 2: Convert to fraction form
    355,075.38/532,617.93 = 118,418.22/x
  3. Step 3: Cross multiply
    355,075.38x = 532,617.93 × 118,418.22
  4. Step 4: Simplify right side
    355,075.38x = 63,071,667,210.68
  5. Step 5: Solve for x
    x = 63,071,667,210.68/355,075.38
  6. Step 6: Final answer
    x = 177,628.95

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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.