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Finding the Fourth Proportional to 70,797.60, 97,658.40 and 45,309.60

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Solution

The fourth proportional to 70,797.60, 97,658.40 and 45,309.60 is: 62,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,797.60 : 97,658.40 = 45,309.60 : x
  2. Step 2: Convert to fraction form
    70,797.60/97,658.40 = 45,309.60/x
  3. Step 3: Cross multiply
    70,797.60x = 97,658.40 × 45,309.60
  4. Step 4: Simplify right side
    70,797.60x = 4,424,863,040.64
  5. Step 5: Solve for x
    x = 4,424,863,040.64/70,797.60
  6. Step 6: Final answer
    x = 62,500.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.