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Finding the Fourth Proportional to 303,001.56, 454,502.34 and 92,639.50

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Solution

The fourth proportional to 303,001.56, 454,502.34 and 92,639.50 is: 138,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,001.56 : 454,502.34 = 92,639.50 : x
  2. Step 2: Convert to fraction form
    303,001.56/454,502.34 = 92,639.50/x
  3. Step 3: Cross multiply
    303,001.56x = 454,502.34 × 92,639.50
  4. Step 4: Simplify right side
    303,001.56x = 42,104,868,390.17
  5. Step 5: Solve for x
    x = 42,104,868,390.17/303,001.56
  6. Step 6: Final answer
    x = 138,959.25

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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.