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Finding the Fourth Proportional to 144,001.45, 215,841.21 and 53,957.54

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Solution

The fourth proportional to 144,001.45, 215,841.21 and 53,957.54 is: 80,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.45 : 215,841.21 = 53,957.54 : x
  2. Step 2: Convert to fraction form
    144,001.45/215,841.21 = 53,957.54/x
  3. Step 3: Cross multiply
    144,001.45x = 215,841.21 × 53,957.54
  4. Step 4: Simplify right side
    144,001.45x = 11,646,261,059.49
  5. Step 5: Solve for x
    x = 11,646,261,059.49/144,001.45
  6. Step 6: Final answer
    x = 80,876.00

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1.5x scale

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.