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Finding the Fourth Proportional to 112,504, 155,257.32 and 62,203

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Solution

The fourth proportional to 112,504, 155,257.32 and 62,203 is: 85,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,504 : 155,257.32 = 62,203 : x
  2. Step 2: Convert to fraction form
    112,504/155,257.32 = 62,203/x
  3. Step 3: Cross multiply
    112,504x = 155,257.32 × 62,203
  4. Step 4: Simplify right side
    112,504x = 9,657,471,075.96
  5. Step 5: Solve for x
    x = 9,657,471,075.96/112,504
  6. Step 6: Final answer
    x = 85,841.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.