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Finding the Fourth Proportional to 94,483.52, 130,373.70 and 54,198.98

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Solution

The fourth proportional to 94,483.52, 130,373.70 and 54,198.98 is: 74,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,483.52 : 130,373.70 = 54,198.98 : x
  2. Step 2: Convert to fraction form
    94,483.52/130,373.70 = 54,198.98/x
  3. Step 3: Cross multiply
    94,483.52x = 130,373.70 × 54,198.98
  4. Step 4: Simplify right side
    94,483.52x = 7,066,121,558.83
  5. Step 5: Solve for x
    x = 7,066,121,558.83/94,483.52
  6. Step 6: Final answer
    x = 74,786.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.