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Finding the Fourth Proportional to 360,122.76, 540,211.88 and 107,383.93

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Solution

The fourth proportional to 360,122.76, 540,211.88 and 107,383.93 is: 161,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,122.76 : 540,211.88 = 107,383.93 : x
  2. Step 2: Convert to fraction form
    360,122.76/540,211.88 = 107,383.93/x
  3. Step 3: Cross multiply
    360,122.76x = 540,211.88 × 107,383.93
  4. Step 4: Simplify right side
    360,122.76x = 58,010,073,625.02
  5. Step 5: Solve for x
    x = 58,010,073,625.02/360,122.76
  6. Step 6: Final answer
    x = 161,084.16

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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.