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Finding the Fourth Proportional to 116,493.40, 174,740.10 and 69,722.20

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Solution

The fourth proportional to 116,493.40, 174,740.10 and 69,722.20 is: 104,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,493.40 : 174,740.10 = 69,722.20 : x
  2. Step 2: Convert to fraction form
    116,493.40/174,740.10 = 69,722.20/x
  3. Step 3: Cross multiply
    116,493.40x = 174,740.10 × 69,722.20
  4. Step 4: Simplify right side
    116,493.40x = 12,183,264,200.22
  5. Step 5: Solve for x
    x = 12,183,264,200.22/116,493.40
  6. Step 6: Final answer
    x = 104,583.30

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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.