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Finding the Fourth Proportional to 283,554.76, 425,332.15 and 83,859.60

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Solution

The fourth proportional to 283,554.76, 425,332.15 and 83,859.60 is: 125,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554.76 : 425,332.15 = 83,859.60 : x
  2. Step 2: Convert to fraction form
    283,554.76/425,332.15 = 83,859.60/x
  3. Step 3: Cross multiply
    283,554.76x = 425,332.15 × 83,859.60
  4. Step 4: Simplify right side
    283,554.76x = 35,668,183,966.14
  5. Step 5: Solve for x
    x = 35,668,183,966.14/283,554.76
  6. Step 6: Final answer
    x = 125,789.40

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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.