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Finding the Fourth Proportional to 58,905.34, 88,342.50 and 40,181.89

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Solution

The fourth proportional to 58,905.34, 88,342.50 and 40,181.89 is: 60,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.34 : 88,342.50 = 40,181.89 : x
  2. Step 2: Convert to fraction form
    58,905.34/88,342.50 = 40,181.89/x
  3. Step 3: Cross multiply
    58,905.34x = 88,342.50 × 40,181.89
  4. Step 4: Simplify right side
    58,905.34x = 3,549,768,617.33
  5. Step 5: Solve for x
    x = 3,549,768,617.33/58,905.34
  6. Step 6: Final answer
    x = 60,262.25

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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.