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Finding the Fourth Proportional to 116,873.60, 175,310.40 and 57,718.40

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Solution

The fourth proportional to 116,873.60, 175,310.40 and 57,718.40 is: 86,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,873.60 : 175,310.40 = 57,718.40 : x
  2. Step 2: Convert to fraction form
    116,873.60/175,310.40 = 57,718.40/x
  3. Step 3: Cross multiply
    116,873.60x = 175,310.40 × 57,718.40
  4. Step 4: Simplify right side
    116,873.60x = 10,118,635,791.36
  5. Step 5: Solve for x
    x = 10,118,635,791.36/116,873.60
  6. Step 6: Final answer
    x = 86,577.60

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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.