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Finding the Fourth Proportional to 243,776.08, 365,516.60 and 159,434.64

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Solution

The fourth proportional to 243,776.08, 365,516.60 and 159,434.64 is: 239,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,776.08 : 365,516.60 = 159,434.64 : x
  2. Step 2: Convert to fraction form
    243,776.08/365,516.60 = 159,434.64/x
  3. Step 3: Cross multiply
    243,776.08x = 365,516.60 × 159,434.64
  4. Step 4: Simplify right side
    243,776.08x = 58,276,007,535.02
  5. Step 5: Solve for x
    x = 58,276,007,535.02/243,776.08
  6. Step 6: Final answer
    x = 239,055.48

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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.