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Finding the Fourth Proportional to 155,615.01, 233,453.12 and 55,748.31

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Solution

The fourth proportional to 155,615.01, 233,453.12 and 55,748.31 is: 83,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,615.01 : 233,453.12 = 55,748.31 : x
  2. Step 2: Convert to fraction form
    155,615.01/233,453.12 = 55,748.31/x
  3. Step 3: Cross multiply
    155,615.01x = 233,453.12 × 55,748.31
  4. Step 4: Simplify right side
    155,615.01x = 13,014,616,904.23
  5. Step 5: Solve for x
    x = 13,014,616,904.23/155,615.01
  6. Step 6: Final answer
    x = 83,633.43

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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.