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Finding the Fourth Proportional to 150,606.16, 225,862.04 and 54,531.20

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Solution

The fourth proportional to 150,606.16, 225,862.04 and 54,531.20 is: 81,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,606.16 : 225,862.04 = 54,531.20 : x
  2. Step 2: Convert to fraction form
    150,606.16/225,862.04 = 54,531.20/x
  3. Step 3: Cross multiply
    150,606.16x = 225,862.04 × 54,531.20
  4. Step 4: Simplify right side
    150,606.16x = 12,316,528,075.65
  5. Step 5: Solve for x
    x = 12,316,528,075.65/150,606.16
  6. Step 6: Final answer
    x = 81,779.71

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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.