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Finding the Fourth Proportional to 127,303.92, 190,956.42 and 43,064.73

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Solution

The fourth proportional to 127,303.92, 190,956.42 and 43,064.73 is: 64,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,303.92 : 190,956.42 = 43,064.73 : x
  2. Step 2: Convert to fraction form
    127,303.92/190,956.42 = 43,064.73/x
  3. Step 3: Cross multiply
    127,303.92x = 190,956.42 × 43,064.73
  4. Step 4: Simplify right side
    127,303.92x = 8,223,486,669.07
  5. Step 5: Solve for x
    x = 8,223,486,669.07/127,303.92
  6. Step 6: Final answer
    x = 64,597.28

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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.