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Finding the Fourth Proportional to 155,604.64, 233,431.64 and 55,762.68

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Solution

The fourth proportional to 155,604.64, 233,431.64 and 55,762.68 is: 83,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,604.64 : 233,431.64 = 55,762.68 : x
  2. Step 2: Convert to fraction form
    155,604.64/233,431.64 = 55,762.68/x
  3. Step 3: Cross multiply
    155,604.64x = 233,431.64 × 55,762.68
  4. Step 4: Simplify right side
    155,604.64x = 13,016,773,843.20
  5. Step 5: Solve for x
    x = 13,016,773,843.20/155,604.64
  6. Step 6: Final answer
    x = 83,652.86

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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.