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Finding the Fourth Proportional to 64,094.68, 96,154.78 and 19,719.74

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Solution

The fourth proportional to 64,094.68, 96,154.78 and 19,719.74 is: 29,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,094.68 : 96,154.78 = 19,719.74 : x
  2. Step 2: Convert to fraction form
    64,094.68/96,154.78 = 19,719.74/x
  3. Step 3: Cross multiply
    64,094.68x = 96,154.78 × 19,719.74
  4. Step 4: Simplify right side
    64,094.68x = 1,896,147,261.36
  5. Step 5: Solve for x
    x = 1,896,147,261.36/64,094.68
  6. Step 6: Final answer
    x = 29,583.54

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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.