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Finding the Fourth Proportional to 365,845.84, 548,393.52 and 141,117.92

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Solution

The fourth proportional to 365,845.84, 548,393.52 and 141,117.92 is: 211,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,845.84 : 548,393.52 = 141,117.92 : x
  2. Step 2: Convert to fraction form
    365,845.84/548,393.52 = 141,117.92/x
  3. Step 3: Cross multiply
    365,845.84x = 548,393.52 × 141,117.92
  4. Step 4: Simplify right side
    365,845.84x = 77,388,153,079.25
  5. Step 5: Solve for x
    x = 77,388,153,079.25/365,845.84
  6. Step 6: Final answer
    x = 211,532.14

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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.