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Finding the Fourth Proportional to 104,597.10, 156,798.45 and 73,007.10

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Solution

The fourth proportional to 104,597.10, 156,798.45 and 73,007.10 is: 109,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,597.10 : 156,798.45 = 73,007.10 : x
  2. Step 2: Convert to fraction form
    104,597.10/156,798.45 = 73,007.10/x
  3. Step 3: Cross multiply
    104,597.10x = 156,798.45 × 73,007.10
  4. Step 4: Simplify right side
    104,597.10x = 11,447,400,119.00
  5. Step 5: Solve for x
    x = 11,447,400,119.00/104,597.10
  6. Step 6: Final answer
    x = 109,442.81

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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.