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Finding the Fourth Proportional to 168,795.80, 253,153.20 and 97,564.40

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Solution

The fourth proportional to 168,795.80, 253,153.20 and 97,564.40 is: 146,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,795.80 : 253,153.20 = 97,564.40 : x
  2. Step 2: Convert to fraction form
    168,795.80/253,153.20 = 97,564.40/x
  3. Step 3: Cross multiply
    168,795.80x = 253,153.20 × 97,564.40
  4. Step 4: Simplify right side
    168,795.80x = 24,698,740,066.08
  5. Step 5: Solve for x
    x = 24,698,740,066.08/168,795.80
  6. Step 6: Final answer
    x = 146,323.19

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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.