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Finding the Fourth Proportional to 95,254.48, 142,852.51 and 65,861.20

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Solution

The fourth proportional to 95,254.48, 142,852.51 and 65,861.20 is: 98,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,254.48 : 142,852.51 = 65,861.20 : x
  2. Step 2: Convert to fraction form
    95,254.48/142,852.51 = 65,861.20/x
  3. Step 3: Cross multiply
    95,254.48x = 142,852.51 × 65,861.20
  4. Step 4: Simplify right side
    95,254.48x = 9,408,437,731.61
  5. Step 5: Solve for x
    x = 9,408,437,731.61/95,254.48
  6. Step 6: Final answer
    x = 98,771.60

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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.