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Finding the Fourth Proportional to 255,038.81, 382,558.52 and 95,112.32

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Solution

The fourth proportional to 255,038.81, 382,558.52 and 95,112.32 is: 142,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,038.81 : 382,558.52 = 95,112.32 : x
  2. Step 2: Convert to fraction form
    255,038.81/382,558.52 = 95,112.32/x
  3. Step 3: Cross multiply
    255,038.81x = 382,558.52 × 95,112.32
  4. Step 4: Simplify right side
    255,038.81x = 36,386,025,984.61
  5. Step 5: Solve for x
    x = 36,386,025,984.61/255,038.81
  6. Step 6: Final answer
    x = 142,668.59

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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.