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Finding the Fourth Proportional to 116,645.70, 174,968.55 and 93,317.70

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Solution

The fourth proportional to 116,645.70, 174,968.55 and 93,317.70 is: 139,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,645.70 : 174,968.55 = 93,317.70 : x
  2. Step 2: Convert to fraction form
    116,645.70/174,968.55 = 93,317.70/x
  3. Step 3: Cross multiply
    116,645.70x = 174,968.55 × 93,317.70
  4. Step 4: Simplify right side
    116,645.70x = 16,327,662,658.34
  5. Step 5: Solve for x
    x = 16,327,662,658.34/116,645.70
  6. Step 6: Final answer
    x = 139,976.55

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Similar ratio
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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.