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Finding the Fourth Proportional to 366,938.26, 550,417.92 and 100,700.98

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Solution

The fourth proportional to 366,938.26, 550,417.92 and 100,700.98 is: 151,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.26 : 550,417.92 = 100,700.98 : x
  2. Step 2: Convert to fraction form
    366,938.26/550,417.92 = 100,700.98/x
  3. Step 3: Cross multiply
    366,938.26x = 550,417.92 × 100,700.98
  4. Step 4: Simplify right side
    366,938.26x = 55,427,623,953.56
  5. Step 5: Solve for x
    x = 55,427,623,953.56/366,938.26
  6. Step 6: Final answer
    x = 151,054.36

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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.