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Finding the Fourth Proportional to 368,493.48, 552,746.70 and 132,005.88

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Solution

The fourth proportional to 368,493.48, 552,746.70 and 132,005.88 is: 198,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,493.48 : 552,746.70 = 132,005.88 : x
  2. Step 2: Convert to fraction form
    368,493.48/552,746.70 = 132,005.88/x
  3. Step 3: Cross multiply
    368,493.48x = 552,746.70 × 132,005.88
  4. Step 4: Simplify right side
    368,493.48x = 72,965,814,550.60
  5. Step 5: Solve for x
    x = 72,965,814,550.60/368,493.48
  6. Step 6: Final answer
    x = 198,011.14

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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.