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Finding the Fourth Proportional to 268,704.61, 402,614.04 and 156,068.64

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Solution

The fourth proportional to 268,704.61, 402,614.04 and 156,068.64 is: 233,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,704.61 : 402,614.04 = 156,068.64 : x
  2. Step 2: Convert to fraction form
    268,704.61/402,614.04 = 156,068.64/x
  3. Step 3: Cross multiply
    268,704.61x = 402,614.04 × 156,068.64
  4. Step 4: Simplify right side
    268,704.61x = 62,835,426,252.96
  5. Step 5: Solve for x
    x = 62,835,426,252.96/268,704.61
  6. Step 6: Final answer
    x = 233,845.73

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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.