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Finding the Fourth Proportional to 66,195.84, 99,343.68 and 35,038.08

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Solution

The fourth proportional to 66,195.84, 99,343.68 and 35,038.08 is: 52,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.84 : 99,343.68 = 35,038.08 : x
  2. Step 2: Convert to fraction form
    66,195.84/99,343.68 = 35,038.08/x
  3. Step 3: Cross multiply
    66,195.84x = 99,343.68 × 35,038.08
  4. Step 4: Simplify right side
    66,195.84x = 3,480,811,807.33
  5. Step 5: Solve for x
    x = 3,480,811,807.33/66,195.84
  6. Step 6: Final answer
    x = 52,583.54

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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.