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Finding the Fourth Proportional to 136,928.88, 205,419.24 and 63,056.88

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Solution

The fourth proportional to 136,928.88, 205,419.24 and 63,056.88 is: 94,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,928.88 : 205,419.24 = 63,056.88 : x
  2. Step 2: Convert to fraction form
    136,928.88/205,419.24 = 63,056.88/x
  3. Step 3: Cross multiply
    136,928.88x = 205,419.24 × 63,056.88
  4. Step 4: Simplify right side
    136,928.88x = 12,953,096,366.37
  5. Step 5: Solve for x
    x = 12,953,096,366.37/136,928.88
  6. Step 6: Final answer
    x = 94,597.26

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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.