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Finding the Fourth Proportional to 365,306.10, 548,045.55 and 115,988.10

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Solution

The fourth proportional to 365,306.10, 548,045.55 and 115,988.10 is: 174,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,306.10 : 548,045.55 = 115,988.10 : x
  2. Step 2: Convert to fraction form
    365,306.10/548,045.55 = 115,988.10/x
  3. Step 3: Cross multiply
    365,306.10x = 548,045.55 × 115,988.10
  4. Step 4: Simplify right side
    365,306.10x = 63,566,762,057.96
  5. Step 5: Solve for x
    x = 63,566,762,057.96/365,306.10
  6. Step 6: Final answer
    x = 174,009.58

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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.