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Finding the Fourth Proportional to 117,283.69, 161,850.58 and 63,567.32

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Solution

The fourth proportional to 117,283.69, 161,850.58 and 63,567.32 is: 87,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,283.69 : 161,850.58 = 63,567.32 : x
  2. Step 2: Convert to fraction form
    117,283.69/161,850.58 = 63,567.32/x
  3. Step 3: Cross multiply
    117,283.69x = 161,850.58 × 63,567.32
  4. Step 4: Simplify right side
    117,283.69x = 10,288,407,856.75
  5. Step 5: Solve for x
    x = 10,288,407,856.75/117,283.69
  6. Step 6: Final answer
    x = 87,722.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.