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Finding the Fourth Proportional to 104,549.79, 144,014.88 and 84,350.14

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Solution

The fourth proportional to 104,549.79, 144,014.88 and 84,350.14 is: 116,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,549.79 : 144,014.88 = 84,350.14 : x
  2. Step 2: Convert to fraction form
    104,549.79/144,014.88 = 84,350.14/x
  3. Step 3: Cross multiply
    104,549.79x = 144,014.88 × 84,350.14
  4. Step 4: Simplify right side
    104,549.79x = 12,147,675,290.08
  5. Step 5: Solve for x
    x = 12,147,675,290.08/104,549.79
  6. Step 6: Final answer
    x = 116,190.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.