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Finding the Fourth Proportional to 347,069.25, 520,645.99 and 97,751.25

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Solution

The fourth proportional to 347,069.25, 520,645.99 and 97,751.25 is: 146,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,069.25 : 520,645.99 = 97,751.25 : x
  2. Step 2: Convert to fraction form
    347,069.25/520,645.99 = 97,751.25/x
  3. Step 3: Cross multiply
    347,069.25x = 520,645.99 × 97,751.25
  4. Step 4: Simplify right side
    347,069.25x = 50,893,796,329.99
  5. Step 5: Solve for x
    x = 50,893,796,329.99/347,069.25
  6. Step 6: Final answer
    x = 146,638.74

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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.