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Finding the Fourth Proportional to 360,069.81, 540,097.76 and 107,521.43

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Solution

The fourth proportional to 360,069.81, 540,097.76 and 107,521.43 is: 161,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,069.81 : 540,097.76 = 107,521.43 : x
  2. Step 2: Convert to fraction form
    360,069.81/540,097.76 = 107,521.43/x
  3. Step 3: Cross multiply
    360,069.81x = 540,097.76 × 107,521.43
  4. Step 4: Simplify right side
    360,069.81x = 58,072,080,256.90
  5. Step 5: Solve for x
    x = 58,072,080,256.90/360,069.81
  6. Step 6: Final answer
    x = 161,280.06

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1.5x scale

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.