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Finding the Fourth Proportional to 186,106.70, 279,054.30 and 127,013.96

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Solution

The fourth proportional to 186,106.70, 279,054.30 and 127,013.96 is: 190,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,106.70 : 279,054.30 = 127,013.96 : x
  2. Step 2: Convert to fraction form
    186,106.70/279,054.30 = 127,013.96/x
  3. Step 3: Cross multiply
    186,106.70x = 279,054.30 × 127,013.96
  4. Step 4: Simplify right side
    186,106.70x = 35,443,791,698.03
  5. Step 5: Solve for x
    x = 35,443,791,698.03/186,106.70
  6. Step 6: Final answer
    x = 190,448.77

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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.