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Finding the Fourth Proportional to 101,995.48, 153,053.10 and 42,826.60

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Solution

The fourth proportional to 101,995.48, 153,053.10 and 42,826.60 is: 64,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995.48 : 153,053.10 = 42,826.60 : x
  2. Step 2: Convert to fraction form
    101,995.48/153,053.10 = 42,826.60/x
  3. Step 3: Cross multiply
    101,995.48x = 153,053.10 × 42,826.60
  4. Step 4: Simplify right side
    101,995.48x = 6,554,743,892.46
  5. Step 5: Solve for x
    x = 6,554,743,892.46/101,995.48
  6. Step 6: Final answer
    x = 64,265.04

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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.