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Finding the Fourth Proportional to 66,094.76, 99,178.50 and 28,655.12

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Solution

The fourth proportional to 66,094.76, 99,178.50 and 28,655.12 is: 42,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,094.76 : 99,178.50 = 28,655.12 : x
  2. Step 2: Convert to fraction form
    66,094.76/99,178.50 = 28,655.12/x
  3. Step 3: Cross multiply
    66,094.76x = 99,178.50 × 28,655.12
  4. Step 4: Simplify right side
    66,094.76x = 2,841,971,818.92
  5. Step 5: Solve for x
    x = 2,841,971,818.92/66,094.76
  6. Step 6: Final answer
    x = 42,998.44

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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.