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Finding the Fourth Proportional to 366,255.90, 549,297.72 and 99,953.16

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Solution

The fourth proportional to 366,255.90, 549,297.72 and 99,953.16 is: 149,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,255.90 : 549,297.72 = 99,953.16 : x
  2. Step 2: Convert to fraction form
    366,255.90/549,297.72 = 99,953.16/x
  3. Step 3: Cross multiply
    366,255.90x = 549,297.72 × 99,953.16
  4. Step 4: Simplify right side
    366,255.90x = 54,904,042,894.80
  5. Step 5: Solve for x
    x = 54,904,042,894.80/366,255.90
  6. Step 6: Final answer
    x = 149,906.23

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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.