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Finding the Fourth Proportional to 62,100.64, 92,700.08 and 57,474.88

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Solution

The fourth proportional to 62,100.64, 92,700.08 and 57,474.88 is: 85,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100.64 : 92,700.08 = 57,474.88 : x
  2. Step 2: Convert to fraction form
    62,100.64/92,700.08 = 57,474.88/x
  3. Step 3: Cross multiply
    62,100.64x = 92,700.08 × 57,474.88
  4. Step 4: Simplify right side
    62,100.64x = 5,327,925,973.99
  5. Step 5: Solve for x
    x = 5,327,925,973.99/62,100.64
  6. Step 6: Final answer
    x = 85,795.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.