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Finding the Fourth Proportional to 116,006.80, 174,010.20 and 102,787.60

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Solution

The fourth proportional to 116,006.80, 174,010.20 and 102,787.60 is: 154,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006.80 : 174,010.20 = 102,787.60 : x
  2. Step 2: Convert to fraction form
    116,006.80/174,010.20 = 102,787.60/x
  3. Step 3: Cross multiply
    116,006.80x = 174,010.20 × 102,787.60
  4. Step 4: Simplify right side
    116,006.80x = 17,886,090,833.52
  5. Step 5: Solve for x
    x = 17,886,090,833.52/116,006.80
  6. Step 6: Final answer
    x = 154,181.40

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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.