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Finding the Fourth Proportional to 70,800.84, 97,672.46 and 45,658.44

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Solution

The fourth proportional to 70,800.84, 97,672.46 and 45,658.44 is: 62,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,800.84 : 97,672.46 = 45,658.44 : x
  2. Step 2: Convert to fraction form
    70,800.84/97,672.46 = 45,658.44/x
  3. Step 3: Cross multiply
    70,800.84x = 97,672.46 × 45,658.44
  4. Step 4: Simplify right side
    70,800.84x = 4,459,572,154.56
  5. Step 5: Solve for x
    x = 4,459,572,154.56/70,800.84
  6. Step 6: Final answer
    x = 62,987.56

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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.