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Finding the Fourth Proportional to 243,369.15, 365,242.04 and 159,106.47

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Solution

The fourth proportional to 243,369.15, 365,242.04 and 159,106.47 is: 238,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,369.15 : 365,242.04 = 159,106.47 : x
  2. Step 2: Convert to fraction form
    243,369.15/365,242.04 = 159,106.47/x
  3. Step 3: Cross multiply
    243,369.15x = 365,242.04 × 159,106.47
  4. Step 4: Simplify right side
    243,369.15x = 58,112,371,680.00
  5. Step 5: Solve for x
    x = 58,112,371,680.00/243,369.15
  6. Step 6: Final answer
    x = 238,782.82

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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.