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Finding the Fourth Proportional to 101,816.63, 152,725.45 and 41,877.79

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Solution

The fourth proportional to 101,816.63, 152,725.45 and 41,877.79 is: 62,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,816.63 : 152,725.45 = 41,877.79 : x
  2. Step 2: Convert to fraction form
    101,816.63/152,725.45 = 41,877.79/x
  3. Step 3: Cross multiply
    101,816.63x = 152,725.45 × 41,877.79
  4. Step 4: Simplify right side
    101,816.63x = 6,395,804,322.76
  5. Step 5: Solve for x
    x = 6,395,804,322.76/101,816.63
  6. Step 6: Final answer
    x = 62,816.89

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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.