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Finding the Fourth Proportional to 116,609.47, 174,913.61 and 45,539.32

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Solution

The fourth proportional to 116,609.47, 174,913.61 and 45,539.32 is: 68,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,609.47 : 174,913.61 = 45,539.32 : x
  2. Step 2: Convert to fraction form
    116,609.47/174,913.61 = 45,539.32/x
  3. Step 3: Cross multiply
    116,609.47x = 174,913.61 × 45,539.32
  4. Step 4: Simplify right side
    116,609.47x = 7,965,447,013.07
  5. Step 5: Solve for x
    x = 7,965,447,013.07/116,609.47
  6. Step 6: Final answer
    x = 68,308.75

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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.