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Finding the Fourth Proportional to 267,510.30, 401,148.75 and 101,181.66

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Solution

The fourth proportional to 267,510.30, 401,148.75 and 101,181.66 is: 151,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,510.30 : 401,148.75 = 101,181.66 : x
  2. Step 2: Convert to fraction form
    267,510.30/401,148.75 = 101,181.66/x
  3. Step 3: Cross multiply
    267,510.30x = 401,148.75 × 101,181.66
  4. Step 4: Simplify right side
    267,510.30x = 40,588,895,307.05
  5. Step 5: Solve for x
    x = 40,588,895,307.05/267,510.30
  6. Step 6: Final answer
    x = 151,728.35

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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.