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Finding the Fourth Proportional to 163,553.80, 245,986.80 and 146,495.20

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Solution

The fourth proportional to 163,553.80, 245,986.80 and 146,495.20 is: 220,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,553.80 : 245,986.80 = 146,495.20 : x
  2. Step 2: Convert to fraction form
    163,553.80/245,986.80 = 146,495.20/x
  3. Step 3: Cross multiply
    163,553.80x = 245,986.80 × 146,495.20
  4. Step 4: Simplify right side
    163,553.80x = 36,035,885,463.36
  5. Step 5: Solve for x
    x = 36,035,885,463.36/163,553.80
  6. Step 6: Final answer
    x = 220,330.47

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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.