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Finding the Fourth Proportional to 267,348.63, 400,740.92 and 98,761.01

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Solution

The fourth proportional to 267,348.63, 400,740.92 and 98,761.01 is: 148,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,348.63 : 400,740.92 = 98,761.01 : x
  2. Step 2: Convert to fraction form
    267,348.63/400,740.92 = 98,761.01/x
  3. Step 3: Cross multiply
    267,348.63x = 400,740.92 × 98,761.01
  4. Step 4: Simplify right side
    267,348.63x = 39,577,575,880.37
  5. Step 5: Solve for x
    x = 39,577,575,880.37/267,348.63
  6. Step 6: Final answer
    x = 148,037.32

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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.