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Finding the Fourth Proportional to 64,357.80, 96,536.70 and 53,204.10

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Solution

The fourth proportional to 64,357.80, 96,536.70 and 53,204.10 is: 79,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.80 : 96,536.70 = 53,204.10 : x
  2. Step 2: Convert to fraction form
    64,357.80/96,536.70 = 53,204.10/x
  3. Step 3: Cross multiply
    64,357.80x = 96,536.70 × 53,204.10
  4. Step 4: Simplify right side
    64,357.80x = 5,136,148,240.47
  5. Step 5: Solve for x
    x = 5,136,148,240.47/64,357.80
  6. Step 6: Final answer
    x = 79,806.15

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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.