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Finding the Fourth Proportional to 176,806.20, 265,295.70 and 83,295.80

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Solution

The fourth proportional to 176,806.20, 265,295.70 and 83,295.80 is: 124,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,806.20 : 265,295.70 = 83,295.80 : x
  2. Step 2: Convert to fraction form
    176,806.20/265,295.70 = 83,295.80/x
  3. Step 3: Cross multiply
    176,806.20x = 265,295.70 × 83,295.80
  4. Step 4: Simplify right side
    176,806.20x = 22,098,017,568.06
  5. Step 5: Solve for x
    x = 22,098,017,568.06/176,806.20
  6. Step 6: Final answer
    x = 124,984.40

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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.