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Finding the Fourth Proportional to 127,383.99, 175,785.62 and 70,794.15

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Solution

The fourth proportional to 127,383.99, 175,785.62 and 70,794.15 is: 97,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,383.99 : 175,785.62 = 70,794.15 : x
  2. Step 2: Convert to fraction form
    127,383.99/175,785.62 = 70,794.15/x
  3. Step 3: Cross multiply
    127,383.99x = 175,785.62 × 70,794.15
  4. Step 4: Simplify right side
    127,383.99x = 12,444,593,550.12
  5. Step 5: Solve for x
    x = 12,444,593,550.12/127,383.99
  6. Step 6: Final answer
    x = 97,693.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.