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Finding the Fourth Proportional to 185,957.28, 256,622.76 and 101,074.56

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Solution

The fourth proportional to 185,957.28, 256,622.76 and 101,074.56 is: 139,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,957.28 : 256,622.76 = 101,074.56 : x
  2. Step 2: Convert to fraction form
    185,957.28/256,622.76 = 101,074.56/x
  3. Step 3: Cross multiply
    185,957.28x = 256,622.76 × 101,074.56
  4. Step 4: Simplify right side
    185,957.28x = 25,938,032,552.99
  5. Step 5: Solve for x
    x = 25,938,032,552.99/185,957.28
  6. Step 6: Final answer
    x = 139,483.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.