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Finding the Fourth Proportional to 303,326.61, 454,973.45 and 92,965.11

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Solution

The fourth proportional to 303,326.61, 454,973.45 and 92,965.11 is: 139,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,326.61 : 454,973.45 = 92,965.11 : x
  2. Step 2: Convert to fraction form
    303,326.61/454,973.45 = 92,965.11/x
  3. Step 3: Cross multiply
    303,326.61x = 454,973.45 × 92,965.11
  4. Step 4: Simplify right side
    303,326.61x = 42,296,656,361.50
  5. Step 5: Solve for x
    x = 42,296,656,361.50/303,326.61
  6. Step 6: Final answer
    x = 139,442.62

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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.