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Finding the Fourth Proportional to 360,612.33, 540,954.54 and 123,923.85

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Solution

The fourth proportional to 360,612.33, 540,954.54 and 123,923.85 is: 185,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,612.33 : 540,954.54 = 123,923.85 : x
  2. Step 2: Convert to fraction form
    360,612.33/540,954.54 = 123,923.85/x
  3. Step 3: Cross multiply
    360,612.33x = 540,954.54 × 123,923.85
  4. Step 4: Simplify right side
    360,612.33x = 67,037,169,271.78
  5. Step 5: Solve for x
    x = 67,037,169,271.78/360,612.33
  6. Step 6: Final answer
    x = 185,898.16

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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.