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Finding the Fourth Proportional to 146,783.80, 220,175.70 and 53,277.40

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Solution

The fourth proportional to 146,783.80, 220,175.70 and 53,277.40 is: 79,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.80 : 220,175.70 = 53,277.40 : x
  2. Step 2: Convert to fraction form
    146,783.80/220,175.70 = 53,277.40/x
  3. Step 3: Cross multiply
    146,783.80x = 220,175.70 × 53,277.40
  4. Step 4: Simplify right side
    146,783.80x = 11,730,388,839.18
  5. Step 5: Solve for x
    x = 11,730,388,839.18/146,783.80
  6. Step 6: Final answer
    x = 79,916.10

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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.