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Finding the Fourth Proportional to 192,657.03, 288,795.74 and 112,593.39

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Solution

The fourth proportional to 192,657.03, 288,795.74 and 112,593.39 is: 168,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,657.03 : 288,795.74 = 112,593.39 : x
  2. Step 2: Convert to fraction form
    192,657.03/288,795.74 = 112,593.39/x
  3. Step 3: Cross multiply
    192,657.03x = 288,795.74 × 112,593.39
  4. Step 4: Simplify right side
    192,657.03x = 32,516,490,821.19
  5. Step 5: Solve for x
    x = 32,516,490,821.19/192,657.03
  6. Step 6: Final answer
    x = 168,779.16

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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.