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Finding the Fourth Proportional to 316,969.50, 475,532.02 and 92,332.00

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Solution

The fourth proportional to 316,969.50, 475,532.02 and 92,332.00 is: 138,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,969.50 : 475,532.02 = 92,332.00 : x
  2. Step 2: Convert to fraction form
    316,969.50/475,532.02 = 92,332.00/x
  3. Step 3: Cross multiply
    316,969.50x = 475,532.02 × 92,332.00
  4. Step 4: Simplify right side
    316,969.50x = 43,906,822,661.10
  5. Step 5: Solve for x
    x = 43,906,822,661.10/316,969.50
  6. Step 6: Final answer
    x = 138,520.65

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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.