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Finding the Fourth Proportional to 156,616.65, 234,760.95 and 61,810.20

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Solution

The fourth proportional to 156,616.65, 234,760.95 and 61,810.20 is: 92,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616.65 : 234,760.95 = 61,810.20 : x
  2. Step 2: Convert to fraction form
    156,616.65/234,760.95 = 61,810.20/x
  3. Step 3: Cross multiply
    156,616.65x = 234,760.95 × 61,810.20
  4. Step 4: Simplify right side
    156,616.65x = 14,510,621,271.69
  5. Step 5: Solve for x
    x = 14,510,621,271.69/156,616.65
  6. Step 6: Final answer
    x = 92,650.57

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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.