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Finding the Fourth Proportional to 104,339.96, 156,457.26 and 74,337.02

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Solution

The fourth proportional to 104,339.96, 156,457.26 and 74,337.02 is: 111,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,339.96 : 156,457.26 = 74,337.02 : x
  2. Step 2: Convert to fraction form
    104,339.96/156,457.26 = 74,337.02/x
  3. Step 3: Cross multiply
    104,339.96x = 156,457.26 × 74,337.02
  4. Step 4: Simplify right side
    104,339.96x = 11,630,566,465.77
  5. Step 5: Solve for x
    x = 11,630,566,465.77/104,339.96
  6. Step 6: Final answer
    x = 111,468.00

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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.