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Finding the Fourth Proportional to 73,058.64, 109,421.88 and 57,164.62

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Solution

The fourth proportional to 73,058.64, 109,421.88 and 57,164.62 is: 85,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058.64 : 109,421.88 = 57,164.62 : x
  2. Step 2: Convert to fraction form
    73,058.64/109,421.88 = 57,164.62/x
  3. Step 3: Cross multiply
    73,058.64x = 109,421.88 × 57,164.62
  4. Step 4: Simplify right side
    73,058.64x = 6,255,060,189.89
  5. Step 5: Solve for x
    x = 6,255,060,189.89/73,058.64
  6. Step 6: Final answer
    x = 85,616.98

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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.