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Finding the Fourth Proportional to 243,243.30, 364,536.90 and 163,053.30

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Solution

The fourth proportional to 243,243.30, 364,536.90 and 163,053.30 is: 244,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,243.30 : 364,536.90 = 163,053.30 : x
  2. Step 2: Convert to fraction form
    243,243.30/364,536.90 = 163,053.30/x
  3. Step 3: Cross multiply
    243,243.30x = 364,536.90 × 163,053.30
  4. Step 4: Simplify right side
    243,243.30x = 59,438,944,516.77
  5. Step 5: Solve for x
    x = 59,438,944,516.77/243,243.30
  6. Step 6: Final answer
    x = 244,360.05

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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.