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Finding the Fourth Proportional to 116,539.92, 174,644.28 and 53,204.40

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Solution

The fourth proportional to 116,539.92, 174,644.28 and 53,204.40 is: 79,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,539.92 : 174,644.28 = 53,204.40 : x
  2. Step 2: Convert to fraction form
    116,539.92/174,644.28 = 53,204.40/x
  3. Step 3: Cross multiply
    116,539.92x = 174,644.28 × 53,204.40
  4. Step 4: Simplify right side
    116,539.92x = 9,291,844,130.83
  5. Step 5: Solve for x
    x = 9,291,844,130.83/116,539.92
  6. Step 6: Final answer
    x = 79,731.00

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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.