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Finding the Fourth Proportional to 65,662.28, 97,868.80 and 61,925.24

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Solution

The fourth proportional to 65,662.28, 97,868.80 and 61,925.24 is: 92,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,662.28 : 97,868.80 = 61,925.24 : x
  2. Step 2: Convert to fraction form
    65,662.28/97,868.80 = 61,925.24/x
  3. Step 3: Cross multiply
    65,662.28x = 97,868.80 × 61,925.24
  4. Step 4: Simplify right side
    65,662.28x = 6,060,548,618.89
  5. Step 5: Solve for x
    x = 6,060,548,618.89/65,662.28
  6. Step 6: Final answer
    x = 92,298.78

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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.