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Finding the Fourth Proportional to 295,663.57, 443,526.27 and 135,712.19

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Solution

The fourth proportional to 295,663.57, 443,526.27 and 135,712.19 is: 203,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,663.57 : 443,526.27 = 135,712.19 : x
  2. Step 2: Convert to fraction form
    295,663.57/443,526.27 = 135,712.19/x
  3. Step 3: Cross multiply
    295,663.57x = 443,526.27 × 135,712.19
  4. Step 4: Simplify right side
    295,663.57x = 60,191,922,024.13
  5. Step 5: Solve for x
    x = 60,191,922,024.13/295,663.57
  6. Step 6: Final answer
    x = 203,582.48

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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.