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Finding the Fourth Proportional to 255,580.29, 383,374.42 and 75,683.92

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Solution

The fourth proportional to 255,580.29, 383,374.42 and 75,683.92 is: 113,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,580.29 : 383,374.42 = 75,683.92 : x
  2. Step 2: Convert to fraction form
    255,580.29/383,374.42 = 75,683.92/x
  3. Step 3: Cross multiply
    255,580.29x = 383,374.42 × 75,683.92
  4. Step 4: Simplify right side
    255,580.29x = 29,015,277,111.89
  5. Step 5: Solve for x
    x = 29,015,277,111.89/255,580.29
  6. Step 6: Final answer
    x = 113,527.05

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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.