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Finding the Fourth Proportional to 116,150.40, 174,225.60 and 84,657.60

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Solution

The fourth proportional to 116,150.40, 174,225.60 and 84,657.60 is: 126,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,150.40 : 174,225.60 = 84,657.60 : x
  2. Step 2: Convert to fraction form
    116,150.40/174,225.60 = 84,657.60/x
  3. Step 3: Cross multiply
    116,150.40x = 174,225.60 × 84,657.60
  4. Step 4: Simplify right side
    116,150.40x = 14,749,521,154.56
  5. Step 5: Solve for x
    x = 14,749,521,154.56/116,150.40
  6. Step 6: Final answer
    x = 126,986.40

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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.