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Finding the Fourth Proportional to 165,301.67, 247,807.10 and 65,531.94

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Solution

The fourth proportional to 165,301.67, 247,807.10 and 65,531.94 is: 98,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,301.67 : 247,807.10 = 65,531.94 : x
  2. Step 2: Convert to fraction form
    165,301.67/247,807.10 = 65,531.94/x
  3. Step 3: Cross multiply
    165,301.67x = 247,807.10 × 65,531.94
  4. Step 4: Simplify right side
    165,301.67x = 16,239,279,681.11
  5. Step 5: Solve for x
    x = 16,239,279,681.11/165,301.67
  6. Step 6: Final answer
    x = 98,240.27

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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.