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Finding the Fourth Proportional to 255,551.64, 383,083.40 and 95,584.20

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Solution

The fourth proportional to 255,551.64, 383,083.40 and 95,584.20 is: 143,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,551.64 : 383,083.40 = 95,584.20 : x
  2. Step 2: Convert to fraction form
    255,551.64/383,083.40 = 95,584.20/x
  3. Step 3: Cross multiply
    255,551.64x = 383,083.40 × 95,584.20
  4. Step 4: Simplify right side
    255,551.64x = 36,616,720,322.28
  5. Step 5: Solve for x
    x = 36,616,720,322.28/255,551.64
  6. Step 6: Final answer
    x = 143,285.01

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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.