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Finding the Fourth Proportional to 104,656.32, 156,989.92 and 34,541.10

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Solution

The fourth proportional to 104,656.32, 156,989.92 and 34,541.10 is: 51,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.32 : 156,989.92 = 34,541.10 : x
  2. Step 2: Convert to fraction form
    104,656.32/156,989.92 = 34,541.10/x
  3. Step 3: Cross multiply
    104,656.32x = 156,989.92 × 34,541.10
  4. Step 4: Simplify right side
    104,656.32x = 5,422,604,525.71
  5. Step 5: Solve for x
    x = 5,422,604,525.71/104,656.32
  6. Step 6: Final answer
    x = 51,813.45

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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.