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Finding the Fourth Proportional to 202,994.88, 304,840.80 and 124,569.60

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Solution

The fourth proportional to 202,994.88, 304,840.80 and 124,569.60 is: 187,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,994.88 : 304,840.80 = 124,569.60 : x
  2. Step 2: Convert to fraction form
    202,994.88/304,840.80 = 124,569.60/x
  3. Step 3: Cross multiply
    202,994.88x = 304,840.80 × 124,569.60
  4. Step 4: Simplify right side
    202,994.88x = 37,973,896,519.68
  5. Step 5: Solve for x
    x = 37,973,896,519.68/202,994.88
  6. Step 6: Final answer
    x = 187,068.25

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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.