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Finding the Fourth Proportional to 76,937.88, 115,421.78 and 29,549.50

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Solution

The fourth proportional to 76,937.88, 115,421.78 and 29,549.50 is: 44,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.88 : 115,421.78 = 29,549.50 : x
  2. Step 2: Convert to fraction form
    76,937.88/115,421.78 = 29,549.50/x
  3. Step 3: Cross multiply
    76,937.88x = 115,421.78 × 29,549.50
  4. Step 4: Simplify right side
    76,937.88x = 3,410,655,740.36
  5. Step 5: Solve for x
    x = 3,410,655,740.36/76,937.88
  6. Step 6: Final answer
    x = 44,330.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.