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Finding the Fourth Proportional to 74,058.84, 102,094.88 and 52,801.20

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Solution

The fourth proportional to 74,058.84, 102,094.88 and 52,801.20 is: 72,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,058.84 : 102,094.88 = 52,801.20 : x
  2. Step 2: Convert to fraction form
    74,058.84/102,094.88 = 52,801.20/x
  3. Step 3: Cross multiply
    74,058.84x = 102,094.88 × 52,801.20
  4. Step 4: Simplify right side
    74,058.84x = 5,390,732,177.86
  5. Step 5: Solve for x
    x = 5,390,732,177.86/74,058.84
  6. Step 6: Final answer
    x = 72,789.85

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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.