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Finding the Fourth Proportional to 65,673.48, 98,656.02 and 40,731.96

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Solution

The fourth proportional to 65,673.48, 98,656.02 and 40,731.96 is: 61,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,673.48 : 98,656.02 = 40,731.96 : x
  2. Step 2: Convert to fraction form
    65,673.48/98,656.02 = 40,731.96/x
  3. Step 3: Cross multiply
    65,673.48x = 98,656.02 × 40,731.96
  4. Step 4: Simplify right side
    65,673.48x = 4,018,453,060.40
  5. Step 5: Solve for x
    x = 4,018,453,060.40/65,673.48
  6. Step 6: Final answer
    x = 61,188.37

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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.