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Finding the Fourth Proportional to 104,167.98, 156,459.53 and 98,292.80

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Solution

The fourth proportional to 104,167.98, 156,459.53 and 98,292.80 is: 147,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.98 : 156,459.53 = 98,292.80 : x
  2. Step 2: Convert to fraction form
    104,167.98/156,459.53 = 98,292.80/x
  3. Step 3: Cross multiply
    104,167.98x = 156,459.53 × 98,292.80
  4. Step 4: Simplify right side
    104,167.98x = 15,378,845,927.26
  5. Step 5: Solve for x
    x = 15,378,845,927.26/104,167.98
  6. Step 6: Final answer
    x = 147,635.06

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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.