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Finding the Fourth Proportional to 251,485.53, 377,274.93 and 83,017.59

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Solution

The fourth proportional to 251,485.53, 377,274.93 and 83,017.59 is: 124,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,485.53 : 377,274.93 = 83,017.59 : x
  2. Step 2: Convert to fraction form
    251,485.53/377,274.93 = 83,017.59/x
  3. Step 3: Cross multiply
    251,485.53x = 377,274.93 × 83,017.59
  4. Step 4: Simplify right side
    251,485.53x = 31,320,455,456.02
  5. Step 5: Solve for x
    x = 31,320,455,456.02/251,485.53
  6. Step 6: Final answer
    x = 124,541.78

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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.