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Finding the Fourth Proportional to 116,148.40, 174,352.20 and 108,534.40

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Solution

The fourth proportional to 116,148.40, 174,352.20 and 108,534.40 is: 162,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,148.40 : 174,352.20 = 108,534.40 : x
  2. Step 2: Convert to fraction form
    116,148.40/174,352.20 = 108,534.40/x
  3. Step 3: Cross multiply
    116,148.40x = 174,352.20 × 108,534.40
  4. Step 4: Simplify right side
    116,148.40x = 18,923,211,415.68
  5. Step 5: Solve for x
    x = 18,923,211,415.68/116,148.40
  6. Step 6: Final answer
    x = 162,922.70

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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.