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Finding the Fourth Proportional to 239,629.60, 359,444.40 and 73,417.60

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Solution

The fourth proportional to 239,629.60, 359,444.40 and 73,417.60 is: 110,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,629.60 : 359,444.40 = 73,417.60 : x
  2. Step 2: Convert to fraction form
    239,629.60/359,444.40 = 73,417.60/x
  3. Step 3: Cross multiply
    239,629.60x = 359,444.40 × 73,417.60
  4. Step 4: Simplify right side
    239,629.60x = 26,389,545,181.44
  5. Step 5: Solve for x
    x = 26,389,545,181.44/239,629.60
  6. Step 6: Final answer
    x = 110,126.40

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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.