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Finding the Fourth Proportional to 283,622.58, 425,512.80 and 123,712.50

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Solution

The fourth proportional to 283,622.58, 425,512.80 and 123,712.50 is: 185,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,622.58 : 425,512.80 = 123,712.50 : x
  2. Step 2: Convert to fraction form
    283,622.58/425,512.80 = 123,712.50/x
  3. Step 3: Cross multiply
    283,622.58x = 425,512.80 × 123,712.50
  4. Step 4: Simplify right side
    283,622.58x = 52,641,252,270
  5. Step 5: Solve for x
    x = 52,641,252,270/283,622.58
  6. Step 6: Final answer
    x = 185,603.18

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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.