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Finding the Fourth Proportional to 186,146.01, 279,113.09 and 127,053.27

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Solution

The fourth proportional to 186,146.01, 279,113.09 and 127,053.27 is: 190,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,146.01 : 279,113.09 = 127,053.27 : x
  2. Step 2: Convert to fraction form
    186,146.01/279,113.09 = 127,053.27/x
  3. Step 3: Cross multiply
    186,146.01x = 279,113.09 × 127,053.27
  4. Step 4: Simplify right side
    186,146.01x = 35,462,230,149.04
  5. Step 5: Solve for x
    x = 35,462,230,149.04/186,146.01
  6. Step 6: Final answer
    x = 190,507.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.