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Finding the Fourth Proportional to 156,616.65, 234,924.98 and 94,408.65

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Solution

The fourth proportional to 156,616.65, 234,924.98 and 94,408.65 is: 141,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616.65 : 234,924.98 = 94,408.65 : x
  2. Step 2: Convert to fraction form
    156,616.65/234,924.98 = 94,408.65/x
  3. Step 3: Cross multiply
    156,616.65x = 234,924.98 × 94,408.65
  4. Step 4: Simplify right side
    156,616.65x = 22,178,949,741.03
  5. Step 5: Solve for x
    x = 22,178,949,741.03/156,616.65
  6. Step 6: Final answer
    x = 141,612.98

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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.