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Finding the Fourth Proportional to 302,728.59, 453,935.21 and 113,032.95

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Solution

The fourth proportional to 302,728.59, 453,935.21 and 113,032.95 is: 169,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,728.59 : 453,935.21 = 113,032.95 : x
  2. Step 2: Convert to fraction form
    302,728.59/453,935.21 = 113,032.95/x
  3. Step 3: Cross multiply
    302,728.59x = 453,935.21 × 113,032.95
  4. Step 4: Simplify right side
    302,728.59x = 51,309,637,312.59
  5. Step 5: Solve for x
    x = 51,309,637,312.59/302,728.59
  6. Step 6: Final answer
    x = 169,490.56

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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.