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Finding the Fourth Proportional to 64,258.99, 96,220.82 and 51,710.47

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Solution

The fourth proportional to 64,258.99, 96,220.82 and 51,710.47 is: 77,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258.99 : 96,220.82 = 51,710.47 : x
  2. Step 2: Convert to fraction form
    64,258.99/96,220.82 = 51,710.47/x
  3. Step 3: Cross multiply
    64,258.99x = 96,220.82 × 51,710.47
  4. Step 4: Simplify right side
    64,258.99x = 4,975,623,567.43
  5. Step 5: Solve for x
    x = 4,975,623,567.43/64,258.99
  6. Step 6: Final answer
    x = 77,430.78

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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.