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Finding the Fourth Proportional to 186,461.94, 257,317.50 and 101,579.04

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Solution

The fourth proportional to 186,461.94, 257,317.50 and 101,579.04 is: 140,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,461.94 : 257,317.50 = 101,579.04 : x
  2. Step 2: Convert to fraction form
    186,461.94/257,317.50 = 101,579.04/x
  3. Step 3: Cross multiply
    186,461.94x = 257,317.50 × 101,579.04
  4. Step 4: Simplify right side
    186,461.94x = 26,138,064,625.20
  5. Step 5: Solve for x
    x = 26,138,064,625.20/186,461.94
  6. Step 6: Final answer
    x = 140,179.09

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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.