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Finding the Fourth Proportional to 283,695.96, 425,484.98 and 83,969.50

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Solution

The fourth proportional to 283,695.96, 425,484.98 and 83,969.50 is: 125,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,695.96 : 425,484.98 = 83,969.50 : x
  2. Step 2: Convert to fraction form
    283,695.96/425,484.98 = 83,969.50/x
  3. Step 3: Cross multiply
    283,695.96x = 425,484.98 × 83,969.50
  4. Step 4: Simplify right side
    283,695.96x = 35,727,761,028.11
  5. Step 5: Solve for x
    x = 35,727,761,028.11/283,695.96
  6. Step 6: Final answer
    x = 125,936.80

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1.5x scale

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.