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Finding the Fourth Proportional to 255,238.08, 383,032.32 and 89,026.08

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Solution

The fourth proportional to 255,238.08, 383,032.32 and 89,026.08 is: 133,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,238.08 : 383,032.32 = 89,026.08 : x
  2. Step 2: Convert to fraction form
    255,238.08/383,032.32 = 89,026.08/x
  3. Step 3: Cross multiply
    255,238.08x = 383,032.32 × 89,026.08
  4. Step 4: Simplify right side
    255,238.08x = 34,099,865,962.91
  5. Step 5: Solve for x
    x = 34,099,865,962.91/255,238.08
  6. Step 6: Final answer
    x = 133,600.23

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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.