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Finding the Fourth Proportional to 64,484.30, 96,792.06 and 43,357.88

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Solution

The fourth proportional to 64,484.30, 96,792.06 and 43,357.88 is: 65,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,484.30 : 96,792.06 = 43,357.88 : x
  2. Step 2: Convert to fraction form
    64,484.30/96,792.06 = 43,357.88/x
  3. Step 3: Cross multiply
    64,484.30x = 96,792.06 × 43,357.88
  4. Step 4: Simplify right side
    64,484.30x = 4,196,698,927.01
  5. Step 5: Solve for x
    x = 4,196,698,927.01/64,484.30
  6. Step 6: Final answer
    x = 65,080.94

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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.