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Finding the Fourth Proportional to 360,585.50, 540,763.23 and 123,871.10

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Solution

The fourth proportional to 360,585.50, 540,763.23 and 123,871.10 is: 185,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,585.50 : 540,763.23 = 123,871.10 : x
  2. Step 2: Convert to fraction form
    360,585.50/540,763.23 = 123,871.10/x
  3. Step 3: Cross multiply
    360,585.50x = 540,763.23 × 123,871.10
  4. Step 4: Simplify right side
    360,585.50x = 66,984,936,139.65
  5. Step 5: Solve for x
    x = 66,984,936,139.65/360,585.50
  6. Step 6: Final answer
    x = 185,767.14

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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.