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Finding the Fourth Proportional to 155,570.91, 233,404.80 and 55,731.96

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Solution

The fourth proportional to 155,570.91, 233,404.80 and 55,731.96 is: 83,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,570.91 : 233,404.80 = 55,731.96 : x
  2. Step 2: Convert to fraction form
    155,570.91/233,404.80 = 55,731.96/x
  3. Step 3: Cross multiply
    155,570.91x = 233,404.80 × 55,731.96
  4. Step 4: Simplify right side
    155,570.91x = 13,008,106,977.41
  5. Step 5: Solve for x
    x = 13,008,106,977.41/155,570.91
  6. Step 6: Final answer
    x = 83,615.29

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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.