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Finding the Fourth Proportional to 150,762.68, 226,161.80 and 66,487.04

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Solution

The fourth proportional to 150,762.68, 226,161.80 and 66,487.04 is: 99,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,762.68 : 226,161.80 = 66,487.04 : x
  2. Step 2: Convert to fraction form
    150,762.68/226,161.80 = 66,487.04/x
  3. Step 3: Cross multiply
    150,762.68x = 226,161.80 × 66,487.04
  4. Step 4: Simplify right side
    150,762.68x = 15,036,828,643.07
  5. Step 5: Solve for x
    x = 15,036,828,643.07/150,762.68
  6. Step 6: Final answer
    x = 99,738.40

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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.