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Finding the Fourth Proportional to 297,757.65, 446,705.56 and 98,070.87

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Solution

The fourth proportional to 297,757.65, 446,705.56 and 98,070.87 is: 147,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,757.65 : 446,705.56 = 98,070.87 : x
  2. Step 2: Convert to fraction form
    297,757.65/446,705.56 = 98,070.87/x
  3. Step 3: Cross multiply
    297,757.65x = 446,705.56 × 98,070.87
  4. Step 4: Simplify right side
    297,757.65x = 43,808,802,903.04
  5. Step 5: Solve for x
    x = 43,808,802,903.04/297,757.65
  6. Step 6: Final answer
    x = 147,129.06

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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.