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Finding the Fourth Proportional to 123,953.54, 185,943.51 and 39,683.57

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Solution

The fourth proportional to 123,953.54, 185,943.51 and 39,683.57 is: 59,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.54 : 185,943.51 = 39,683.57 : x
  2. Step 2: Convert to fraction form
    123,953.54/185,943.51 = 39,683.57/x
  3. Step 3: Cross multiply
    123,953.54x = 185,943.51 × 39,683.57
  4. Step 4: Simplify right side
    123,953.54x = 7,378,901,365.41
  5. Step 5: Solve for x
    x = 7,378,901,365.41/123,953.54
  6. Step 6: Final answer
    x = 59,529.58

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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.