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Finding the Fourth Proportional to 64,159.42, 96,211.62 and 22,043.74

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Solution

The fourth proportional to 64,159.42, 96,211.62 and 22,043.74 is: 33,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.42 : 96,211.62 = 22,043.74 : x
  2. Step 2: Convert to fraction form
    64,159.42/96,211.62 = 22,043.74/x
  3. Step 3: Cross multiply
    64,159.42x = 96,211.62 × 22,043.74
  4. Step 4: Simplify right side
    64,159.42x = 2,120,863,936.26
  5. Step 5: Solve for x
    x = 2,120,863,936.26/64,159.42
  6. Step 6: Final answer
    x = 33,056.16

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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.