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Finding the Fourth Proportional to 255,796.41, 383,366.25 and 122,476.89

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Solution

The fourth proportional to 255,796.41, 383,366.25 and 122,476.89 is: 183,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,796.41 : 383,366.25 = 122,476.89 : x
  2. Step 2: Convert to fraction form
    255,796.41/383,366.25 = 122,476.89/x
  3. Step 3: Cross multiply
    255,796.41x = 383,366.25 × 122,476.89
  4. Step 4: Simplify right side
    255,796.41x = 46,953,506,030.96
  5. Step 5: Solve for x
    x = 46,953,506,030.96/255,796.41
  6. Step 6: Final answer
    x = 183,558.11

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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.