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Finding the Fourth Proportional to 153,679.98, 230,464.50 and 64,940.34

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Solution

The fourth proportional to 153,679.98, 230,464.50 and 64,940.34 is: 97,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,679.98 : 230,464.50 = 64,940.34 : x
  2. Step 2: Convert to fraction form
    153,679.98/230,464.50 = 64,940.34/x
  3. Step 3: Cross multiply
    153,679.98x = 230,464.50 × 64,940.34
  4. Step 4: Simplify right side
    153,679.98x = 14,966,442,987.93
  5. Step 5: Solve for x
    x = 14,966,442,987.93/153,679.98
  6. Step 6: Final answer
    x = 97,387.07

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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.