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Finding the Fourth Proportional to 186,404.39, 257,389.85 and 151,954.58

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Solution

The fourth proportional to 186,404.39, 257,389.85 and 151,954.58 is: 209,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,404.39 : 257,389.85 = 151,954.58 : x
  2. Step 2: Convert to fraction form
    186,404.39/257,389.85 = 151,954.58/x
  3. Step 3: Cross multiply
    186,404.39x = 257,389.85 × 151,954.58
  4. Step 4: Simplify right side
    186,404.39x = 39,111,567,576.37
  5. Step 5: Solve for x
    x = 39,111,567,576.37/186,404.39
  6. Step 6: Final answer
    x = 209,821.07

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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.