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Finding the Fourth Proportional to 144,673.54, 199,666.54 and 80,999.04

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Solution

The fourth proportional to 144,673.54, 199,666.54 and 80,999.04 is: 111,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,673.54 : 199,666.54 = 80,999.04 : x
  2. Step 2: Convert to fraction form
    144,673.54/199,666.54 = 80,999.04/x
  3. Step 3: Cross multiply
    144,673.54x = 199,666.54 × 80,999.04
  4. Step 4: Simplify right side
    144,673.54x = 16,172,798,060.12
  5. Step 5: Solve for x
    x = 16,172,798,060.12/144,673.54
  6. Step 6: Final answer
    x = 111,788.22

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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.