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Finding the Fourth Proportional to 116,774.66, 175,161.89 and 83,559.60

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Solution

The fourth proportional to 116,774.66, 175,161.89 and 83,559.60 is: 125,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,774.66 : 175,161.89 = 83,559.60 : x
  2. Step 2: Convert to fraction form
    116,774.66/175,161.89 = 83,559.60/x
  3. Step 3: Cross multiply
    116,774.66x = 175,161.89 × 83,559.60
  4. Step 4: Simplify right side
    116,774.66x = 14,636,457,672.54
  5. Step 5: Solve for x
    x = 14,636,457,672.54/116,774.66
  6. Step 6: Final answer
    x = 125,339.33

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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.