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Finding the Fourth Proportional to 116,180.80, 173,810.40 and 100,769.60

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Solution

The fourth proportional to 116,180.80, 173,810.40 and 100,769.60 is: 150,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,180.80 : 173,810.40 = 100,769.60 : x
  2. Step 2: Convert to fraction form
    116,180.80/173,810.40 = 100,769.60/x
  3. Step 3: Cross multiply
    116,180.80x = 173,810.40 × 100,769.60
  4. Step 4: Simplify right side
    116,180.80x = 17,514,804,483.84
  5. Step 5: Solve for x
    x = 17,514,804,483.84/116,180.80
  6. Step 6: Final answer
    x = 150,754.72

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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.