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Finding the Fourth Proportional to 64,836.20, 97,400.10 and 62,357.60

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Solution

The fourth proportional to 64,836.20, 97,400.10 and 62,357.60 is: 93,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.20 : 97,400.10 = 62,357.60 : x
  2. Step 2: Convert to fraction form
    64,836.20/97,400.10 = 62,357.60/x
  3. Step 3: Cross multiply
    64,836.20x = 97,400.10 × 62,357.60
  4. Step 4: Simplify right side
    64,836.20x = 6,073,636,475.76
  5. Step 5: Solve for x
    x = 6,073,636,475.76/64,836.20
  6. Step 6: Final answer
    x = 93,676.63

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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.