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Finding the Fourth Proportional to 329,417.70, 494,148.15 and 92,768.10

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Solution

The fourth proportional to 329,417.70, 494,148.15 and 92,768.10 is: 139,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,417.70 : 494,148.15 = 92,768.10 : x
  2. Step 2: Convert to fraction form
    329,417.70/494,148.15 = 92,768.10/x
  3. Step 3: Cross multiply
    329,417.70x = 494,148.15 × 92,768.10
  4. Step 4: Simplify right side
    329,417.70x = 45,841,184,994.02
  5. Step 5: Solve for x
    x = 45,841,184,994.02/329,417.70
  6. Step 6: Final answer
    x = 139,158.23

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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.