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Finding the Fourth Proportional to 503,969.93, 755,935.95 and 124,891.75

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Solution

The fourth proportional to 503,969.93, 755,935.95 and 124,891.75 is: 187,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,969.93 : 755,935.95 = 124,891.75 : x
  2. Step 2: Convert to fraction form
    503,969.93/755,935.95 = 124,891.75/x
  3. Step 3: Cross multiply
    503,969.93x = 755,935.95 × 124,891.75
  4. Step 4: Simplify right side
    503,969.93x = 94,410,163,683.41
  5. Step 5: Solve for x
    x = 94,410,163,683.41/503,969.93
  6. Step 6: Final answer
    x = 187,332.93

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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.