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Finding the Fourth Proportional to 366,988.52, 550,483.62 and 100,752.68

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Solution

The fourth proportional to 366,988.52, 550,483.62 and 100,752.68 is: 151,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.52 : 550,483.62 = 100,752.68 : x
  2. Step 2: Convert to fraction form
    366,988.52/550,483.62 = 100,752.68/x
  3. Step 3: Cross multiply
    366,988.52x = 550,483.62 × 100,752.68
  4. Step 4: Simplify right side
    366,988.52x = 55,462,700,011.10
  5. Step 5: Solve for x
    x = 55,462,700,011.10/366,988.52
  6. Step 6: Final answer
    x = 151,129.25

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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.