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Finding the Fourth Proportional to 283,611.74, 425,480.81 and 123,713.69

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Solution

The fourth proportional to 283,611.74, 425,480.81 and 123,713.69 is: 185,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,611.74 : 425,480.81 = 123,713.69 : x
  2. Step 2: Convert to fraction form
    283,611.74/425,480.81 = 123,713.69/x
  3. Step 3: Cross multiply
    283,611.74x = 425,480.81 × 123,713.69
  4. Step 4: Simplify right side
    283,611.74x = 52,637,798,283.32
  5. Step 5: Solve for x
    x = 52,637,798,283.32/283,611.74
  6. Step 6: Final answer
    x = 185,598.10

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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.