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Finding the Fourth Proportional to 104,280.48, 156,459.87 and 48,147.48

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Solution

The fourth proportional to 104,280.48, 156,459.87 and 48,147.48 is: 72,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,280.48 : 156,459.87 = 48,147.48 : x
  2. Step 2: Convert to fraction form
    104,280.48/156,459.87 = 48,147.48/x
  3. Step 3: Cross multiply
    104,280.48x = 156,459.87 × 48,147.48
  4. Step 4: Simplify right side
    104,280.48x = 7,533,148,461.63
  5. Step 5: Solve for x
    x = 7,533,148,461.63/104,280.48
  6. Step 6: Final answer
    x = 72,239.30

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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.