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Finding the Fourth Proportional to 365,663.94, 548,554.35 and 112,885.01

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Solution

The fourth proportional to 365,663.94, 548,554.35 and 112,885.01 is: 169,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,663.94 : 548,554.35 = 112,885.01 : x
  2. Step 2: Convert to fraction form
    365,663.94/548,554.35 = 112,885.01/x
  3. Step 3: Cross multiply
    365,663.94x = 548,554.35 × 112,885.01
  4. Step 4: Simplify right side
    365,663.94x = 61,923,560,542.52
  5. Step 5: Solve for x
    x = 61,923,560,542.52/365,663.94
  6. Step 6: Final answer
    x = 169,345.55

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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.