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Finding the Fourth Proportional to 155,395.01, 233,069.45 and 43,063.52

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Solution

The fourth proportional to 155,395.01, 233,069.45 and 43,063.52 is: 64,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,395.01 : 233,069.45 = 43,063.52 : x
  2. Step 2: Convert to fraction form
    155,395.01/233,069.45 = 43,063.52/x
  3. Step 3: Cross multiply
    155,395.01x = 233,069.45 × 43,063.52
  4. Step 4: Simplify right side
    155,395.01x = 10,036,789,540.80
  5. Step 5: Solve for x
    x = 10,036,789,540.80/155,395.01
  6. Step 6: Final answer
    x = 64,588.88

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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.