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Finding the Fourth Proportional to 186,203.63, 256,962.23 and 101,321.30

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Solution

The fourth proportional to 186,203.63, 256,962.23 and 101,321.30 is: 139,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,203.63 : 256,962.23 = 101,321.30 : x
  2. Step 2: Convert to fraction form
    186,203.63/256,962.23 = 101,321.30/x
  3. Step 3: Cross multiply
    186,203.63x = 256,962.23 × 101,321.30
  4. Step 4: Simplify right side
    186,203.63x = 26,035,745,403.08
  5. Step 5: Solve for x
    x = 26,035,745,403.08/186,203.63
  6. Step 6: Final answer
    x = 139,824.05

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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.