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Finding the Fourth Proportional to 64,152.99, 96,157.80 and 26,687.58

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Solution

The fourth proportional to 64,152.99, 96,157.80 and 26,687.58 is: 40,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152.99 : 96,157.80 = 26,687.58 : x
  2. Step 2: Convert to fraction form
    64,152.99/96,157.80 = 26,687.58/x
  3. Step 3: Cross multiply
    64,152.99x = 96,157.80 × 26,687.58
  4. Step 4: Simplify right side
    64,152.99x = 2,566,218,980.12
  5. Step 5: Solve for x
    x = 2,566,218,980.12/64,152.99
  6. Step 6: Final answer
    x = 40,001.55

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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.