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Finding the Fourth Proportional to 368,752.45, 553,243.49 and 132,097.18

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Solution

The fourth proportional to 368,752.45, 553,243.49 and 132,097.18 is: 198,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,752.45 : 553,243.49 = 132,097.18 : x
  2. Step 2: Convert to fraction form
    368,752.45/553,243.49 = 132,097.18/x
  3. Step 3: Cross multiply
    368,752.45x = 553,243.49 × 132,097.18
  4. Step 4: Simplify right side
    368,752.45x = 73,081,903,829.49
  5. Step 5: Solve for x
    x = 73,081,903,829.49/368,752.45
  6. Step 6: Final answer
    x = 198,186.90

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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.