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Finding the Fourth Proportional to 267,363.70, 401,045.55 and 167,830.90

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Solution

The fourth proportional to 267,363.70, 401,045.55 and 167,830.90 is: 251,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,363.70 : 401,045.55 = 167,830.90 : x
  2. Step 2: Convert to fraction form
    267,363.70/401,045.55 = 167,830.90/x
  3. Step 3: Cross multiply
    267,363.70x = 401,045.55 × 167,830.90
  4. Step 4: Simplify right side
    267,363.70x = 67,307,835,597.50
  5. Step 5: Solve for x
    x = 67,307,835,597.50/267,363.70
  6. Step 6: Final answer
    x = 251,746.35

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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.