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Finding the Fourth Proportional to 302,571.54, 417,545.28 and 166,602.66

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Solution

The fourth proportional to 302,571.54, 417,545.28 and 166,602.66 is: 229,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,571.54 : 417,545.28 = 166,602.66 : x
  2. Step 2: Convert to fraction form
    302,571.54/417,545.28 = 166,602.66/x
  3. Step 3: Cross multiply
    302,571.54x = 417,545.28 × 166,602.66
  4. Step 4: Simplify right side
    302,571.54x = 69,564,154,318.44
  5. Step 5: Solve for x
    x = 69,564,154,318.44/302,571.54
  6. Step 6: Final answer
    x = 229,909.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.