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Finding the Fourth Proportional to 74,549.72, 102,773.04 and 53,292.08

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Solution

The fourth proportional to 74,549.72, 102,773.04 and 53,292.08 is: 73,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,549.72 : 102,773.04 = 53,292.08 : x
  2. Step 2: Convert to fraction form
    74,549.72/102,773.04 = 53,292.08/x
  3. Step 3: Cross multiply
    74,549.72x = 102,773.04 × 53,292.08
  4. Step 4: Simplify right side
    74,549.72x = 5,476,989,069.52
  5. Step 5: Solve for x
    x = 5,476,989,069.52/74,549.72
  6. Step 6: Final answer
    x = 73,467.60

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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.