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Finding the Fourth Proportional to 270,805.63, 373,681.57 and 149,916.64

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Solution

The fourth proportional to 270,805.63, 373,681.57 and 149,916.64 is: 206,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,805.63 : 373,681.57 = 149,916.64 : x
  2. Step 2: Convert to fraction form
    270,805.63/373,681.57 = 149,916.64/x
  3. Step 3: Cross multiply
    270,805.63x = 373,681.57 × 149,916.64
  4. Step 4: Simplify right side
    270,805.63x = 56,021,085,404.32
  5. Step 5: Solve for x
    x = 56,021,085,404.32/270,805.63
  6. Step 6: Final answer
    x = 206,868.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.