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Finding the Fourth Proportional to 364,044.60, 545,948.04 and 120,820.34

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Solution

The fourth proportional to 364,044.60, 545,948.04 and 120,820.34 is: 181,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,044.60 : 545,948.04 = 120,820.34 : x
  2. Step 2: Convert to fraction form
    364,044.60/545,948.04 = 120,820.34/x
  3. Step 3: Cross multiply
    364,044.60x = 545,948.04 × 120,820.34
  4. Step 4: Simplify right side
    364,044.60x = 65,961,627,815.13
  5. Step 5: Solve for x
    x = 65,961,627,815.13/364,044.60
  6. Step 6: Final answer
    x = 181,191.06

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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.