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Finding the Fourth Proportional to 267,357.18, 401,016.29 and 98,798.94

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Solution

The fourth proportional to 267,357.18, 401,016.29 and 98,798.94 is: 148,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,357.18 : 401,016.29 = 98,798.94 : x
  2. Step 2: Convert to fraction form
    267,357.18/401,016.29 = 98,798.94/x
  3. Step 3: Cross multiply
    267,357.18x = 401,016.29 × 98,798.94
  4. Step 4: Simplify right side
    267,357.18x = 39,619,984,714.35
  5. Step 5: Solve for x
    x = 39,619,984,714.35/267,357.18
  6. Step 6: Final answer
    x = 148,191.21

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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.