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Finding the Fourth Proportional to 116,707.20, 174,657.60 and 69,993.60

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Solution

The fourth proportional to 116,707.20, 174,657.60 and 69,993.60 is: 104,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,707.20 : 174,657.60 = 69,993.60 : x
  2. Step 2: Convert to fraction form
    116,707.20/174,657.60 = 69,993.60/x
  3. Step 3: Cross multiply
    116,707.20x = 174,657.60 × 69,993.60
  4. Step 4: Simplify right side
    116,707.20x = 12,224,914,191.36
  5. Step 5: Solve for x
    x = 12,224,914,191.36/116,707.20
  6. Step 6: Final answer
    x = 104,748.59

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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.