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Finding the Fourth Proportional to 116,617.20, 174,925.80 and 106,940.40

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Solution

The fourth proportional to 116,617.20, 174,925.80 and 106,940.40 is: 160,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,617.20 : 174,925.80 = 106,940.40 : x
  2. Step 2: Convert to fraction form
    116,617.20/174,925.80 = 106,940.40/x
  3. Step 3: Cross multiply
    116,617.20x = 174,925.80 × 106,940.40
  4. Step 4: Simplify right side
    116,617.20x = 18,706,635,022.32
  5. Step 5: Solve for x
    x = 18,706,635,022.32/116,617.20
  6. Step 6: Final answer
    x = 160,410.60

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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.