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Finding the Fourth Proportional to 136,927.88, 205,417.74 and 63,055.88

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Solution

The fourth proportional to 136,927.88, 205,417.74 and 63,055.88 is: 94,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,927.88 : 205,417.74 = 63,055.88 : x
  2. Step 2: Convert to fraction form
    136,927.88/205,417.74 = 63,055.88/x
  3. Step 3: Cross multiply
    136,927.88x = 205,417.74 × 63,055.88
  4. Step 4: Simplify right side
    136,927.88x = 12,952,795,020.94
  5. Step 5: Solve for x
    x = 12,952,795,020.94/136,927.88
  6. Step 6: Final answer
    x = 94,595.75

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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.