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Finding the Fourth Proportional to 117,892.69, 176,860.91 and 39,007.60

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Solution

The fourth proportional to 117,892.69, 176,860.91 and 39,007.60 is: 58,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.69 : 176,860.91 = 39,007.60 : x
  2. Step 2: Convert to fraction form
    117,892.69/176,860.91 = 39,007.60/x
  3. Step 3: Cross multiply
    117,892.69x = 176,860.91 × 39,007.60
  4. Step 4: Simplify right side
    117,892.69x = 6,898,919,288.28
  5. Step 5: Solve for x
    x = 6,898,919,288.28/117,892.69
  6. Step 6: Final answer
    x = 58,518.64

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1.5x scale

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.