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Finding the Fourth Proportional to 127,083.33, 175,356.83 and 76,083.84

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Solution

The fourth proportional to 127,083.33, 175,356.83 and 76,083.84 is: 104,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.33 : 175,356.83 = 76,083.84 : x
  2. Step 2: Convert to fraction form
    127,083.33/175,356.83 = 76,083.84/x
  3. Step 3: Cross multiply
    127,083.33x = 175,356.83 × 76,083.84
  4. Step 4: Simplify right side
    127,083.33x = 13,341,821,186.84
  5. Step 5: Solve for x
    x = 13,341,821,186.84/127,083.33
  6. Step 6: Final answer
    x = 104,984.83

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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.