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Finding the Fourth Proportional to 94,369.64, 130,235.49 and 54,090.11

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Solution

The fourth proportional to 94,369.64, 130,235.49 and 54,090.11 is: 74,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,369.64 : 130,235.49 = 54,090.11 : x
  2. Step 2: Convert to fraction form
    94,369.64/130,235.49 = 54,090.11/x
  3. Step 3: Cross multiply
    94,369.64x = 130,235.49 × 54,090.11
  4. Step 4: Simplify right side
    94,369.64x = 7,044,451,328.83
  5. Step 5: Solve for x
    x = 7,044,451,328.83/94,369.64
  6. Step 6: Final answer
    x = 74,647.44

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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.