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Finding the Fourth Proportional to 130,388.60, 179,935.26 and 73,798.04

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Solution

The fourth proportional to 130,388.60, 179,935.26 and 73,798.04 is: 101,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,388.60 : 179,935.26 = 73,798.04 : x
  2. Step 2: Convert to fraction form
    130,388.60/179,935.26 = 73,798.04/x
  3. Step 3: Cross multiply
    130,388.60x = 179,935.26 × 73,798.04
  4. Step 4: Simplify right side
    130,388.60x = 13,278,869,514.89
  5. Step 5: Solve for x
    x = 13,278,869,514.89/130,388.60
  6. Step 6: Final answer
    x = 101,840.72

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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.