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Finding the Fourth Proportional to 98,609.80, 147,914.70 and 96,017.80

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Solution

The fourth proportional to 98,609.80, 147,914.70 and 96,017.80 is: 144,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.80 : 147,914.70 = 96,017.80 : x
  2. Step 2: Convert to fraction form
    98,609.80/147,914.70 = 96,017.80/x
  3. Step 3: Cross multiply
    98,609.80x = 147,914.70 × 96,017.80
  4. Step 4: Simplify right side
    98,609.80x = 14,202,444,081.66
  5. Step 5: Solve for x
    x = 14,202,444,081.66/98,609.80
  6. Step 6: Final answer
    x = 144,026.70

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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.