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Finding the Fourth Proportional to 186,032.30, 256,717.50 and 101,149.43

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Solution

The fourth proportional to 186,032.30, 256,717.50 and 101,149.43 is: 139,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,032.30 : 256,717.50 = 101,149.43 : x
  2. Step 2: Convert to fraction form
    186,032.30/256,717.50 = 101,149.43/x
  3. Step 3: Cross multiply
    186,032.30x = 256,717.50 × 101,149.43
  4. Step 4: Simplify right side
    186,032.30x = 25,966,828,796.03
  5. Step 5: Solve for x
    x = 25,966,828,796.03/186,032.30
  6. Step 6: Final answer
    x = 139,582.37

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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.