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Finding the Fourth Proportional to 116,884.78, 175,289.91 and 37,979.98

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Solution

The fourth proportional to 116,884.78, 175,289.91 and 37,979.98 is: 56,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,884.78 : 175,289.91 = 37,979.98 : x
  2. Step 2: Convert to fraction form
    116,884.78/175,289.91 = 37,979.98/x
  3. Step 3: Cross multiply
    116,884.78x = 175,289.91 × 37,979.98
  4. Step 4: Simplify right side
    116,884.78x = 6,657,507,276.00
  5. Step 5: Solve for x
    x = 6,657,507,276.00/116,884.78
  6. Step 6: Final answer
    x = 56,957.86

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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.