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Finding the Fourth Proportional to 255,594.56, 383,101.25 and 155,534.45

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Solution

The fourth proportional to 255,594.56, 383,101.25 and 155,534.45 is: 233,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,594.56 : 383,101.25 = 155,534.45 : x
  2. Step 2: Convert to fraction form
    255,594.56/383,101.25 = 155,534.45/x
  3. Step 3: Cross multiply
    255,594.56x = 383,101.25 × 155,534.45
  4. Step 4: Simplify right side
    255,594.56x = 59,585,439,519.88
  5. Step 5: Solve for x
    x = 59,585,439,519.88/255,594.56
  6. Step 6: Final answer
    x = 233,124.84

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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.