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Finding the Fourth Proportional to 229,794.93, 317,112.48 and 127,816.92

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Solution

The fourth proportional to 229,794.93, 317,112.48 and 127,816.92 is: 176,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,794.93 : 317,112.48 = 127,816.92 : x
  2. Step 2: Convert to fraction form
    229,794.93/317,112.48 = 127,816.92/x
  3. Step 3: Cross multiply
    229,794.93x = 317,112.48 × 127,816.92
  4. Step 4: Simplify right side
    229,794.93x = 40,532,340,487.16
  5. Step 5: Solve for x
    x = 40,532,340,487.16/229,794.93
  6. Step 6: Final answer
    x = 176,384.83

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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.