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Finding the Fourth Proportional to 283,619.60, 425,400.60 and 96,628.40

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Solution

The fourth proportional to 283,619.60, 425,400.60 and 96,628.40 is: 144,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,619.60 : 425,400.60 = 96,628.40 : x
  2. Step 2: Convert to fraction form
    283,619.60/425,400.60 = 96,628.40/x
  3. Step 3: Cross multiply
    283,619.60x = 425,400.60 × 96,628.40
  4. Step 4: Simplify right side
    283,619.60x = 41,105,779,337.04
  5. Step 5: Solve for x
    x = 41,105,779,337.04/283,619.60
  6. Step 6: Final answer
    x = 144,932.79

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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.