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Finding the Fourth Proportional to 179,973.35, 270,009.24 and 78,753.00

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Solution

The fourth proportional to 179,973.35, 270,009.24 and 78,753.00 is: 118,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,973.35 : 270,009.24 = 78,753.00 : x
  2. Step 2: Convert to fraction form
    179,973.35/270,009.24 = 78,753.00/x
  3. Step 3: Cross multiply
    179,973.35x = 270,009.24 × 78,753.00
  4. Step 4: Simplify right side
    179,973.35x = 21,264,036,369.86
  5. Step 5: Solve for x
    x = 21,264,036,369.86/179,973.35
  6. Step 6: Final answer
    x = 118,151.03

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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.